{"title":"Hanna Instruments – Merivesiakvaarion mittalaitteet","description":"\u003cp\u003eHanna Instruments tarjoaa tarkkoja ja luotettavia mittalaitteita merivesiakvaarioiden vesiarvojen seurantaan. Valikoimasta löytyvät suositut Checker-mittarit, digitaaliset pH-mittarit, suolapitoisuusmittarit sekä muut vesianalytiikan ratkaisut, joiden avulla tärkeiden arvojen, kuten pH:n, alkaliniteetin, kalsiumin, fosfaatin ja nitraatin, mittaaminen on nopeaa ja selkeää.\u003c\/p\u003e\n\u003cp\u003eSäännöllinen mittaaminen auttaa ylläpitämään vakaata vedenlaatua, ehkäisemään ongelmia ja tekemään akvaarion hoitopäätökset mitattuun tietoon perustuen. Hanna Instrumentsin tuotteet sopivat sekä harrastajille että vaativampaan käyttöön, kun mittaustuloksilta halutaan parempaa tarkkuutta ja toistettavuutta kuin perinteisiltä väritesteiltä.\u003c\/p\u003e\n\u003cp\u003eKorallifarmi Oy on Hanna Instrumentsin virallinen maahantuoja.\u003cbr\u003e\u003c\/p\u003e","products":[{"product_id":"hanna-alkalinity-alk-reagents-25-tests","title":"Reagents for Hanna Alkalinity (KH) Checker HI-722 (25 tests)","description":"\u003cp\u003e\u003cimg align=\"baseline\" src=\"https:\/\/korellifarmi.com\/cdn\/shop\/files\/hanna-20logo.png\" alt=\"Reagents for Hanna Alkalinity (KH) Checker HI-722 (25 tests)\" hspace=\"0\" data-original=\"https:\/\/www.marine-aquatics.eu\/inshop\/Files\/HANNA-HI755-26_EN\/hanna%20logo.png\" data-files=\"hanna-20logo.png\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eThis reagent works with both the 755 \u0026amp; 772 Hanna checker\u003c\/b\u003e\u003cspan\u003e. It may come with the tag 755-26 or 772-26, both reagents work with both checkers.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe are high-quality reagents that are pre-measured, allowing for users to achieve fast and accurate measurements with their Marine Alkalinity Checker® HC.\u003c\/p\u003e\n\u003cp\u003eThese reagents follow the Colorimetric Method in which the reaction causes a distinctive range of colours from yellow to green to blue to develop. By simply adding the solution to the sample, the reaction will take place and the Marine Alkalinity Checkers will determine the concentration from the colour that is produced. The results will be displayed in ppm of CaCO3 .\u003c\/p\u003e\n\u003cp\u003e These reagents are designed to be used with samples that have an expected range of 0 to 300 ppm CaCO3.\u003c\/p\u003e","brand":"Hanna Instruments","offers":[{"title":"Default Title","offer_id":41072618373165,"sku":"HI-772-26","price":19.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0595\/1864\/8365\/files\/reagents-for-hanna-alkalinity-kh-checker-hi-722-25-tests-997.webp?v=1734567704"},{"product_id":"hanna-waterproof-salinity-tester","title":"Hanna Waterproof Salinity tester HI98319","description":"\u003cp\u003e\u003cimg alt=\"Hanna Waterproof Salinity tester HI98319\" src=\"https:\/\/korellifarmi.com\/cdn\/shop\/files\/hanna-20logo.png\" align=\"baseline\" hspace=\"0\" data-original=\"https:\/\/www.marine-aquatics.eu\/inshop\/Files\/HANNA-HI98319_EN\/hanna%20logo.png\" data-files=\"hanna-20logo.png\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eSalinity Tester - digital Salinity tester\u003c\/strong\u003e\u003c\/span\u003e \u003c\/p\u003e\n\u003cp\u003eThe waterproof HI\u003cspan\u003e98319\u003c\/span\u003e salinity and temperature tester is perfect for any saltwater aquarium.\u003c\/p\u003e\n\u003cp\u003eA more accurate alternative to refractometers, this tester uses conductivity to determine salinity levels of natural and artificial seawater. Ideal for testing salinity in salt water aquariums, it is quick and easy to use and provides digital readout of both salinity and temperature.\u003c\/p\u003e\n\u003cp\u003eSalinity should be checked regularly in aquariums. As Oceans are very stable environments, where there is not a lot of day to day change in the water parameters, fish can respond negatively to even small changes in salinity.\u003c\/p\u003e\n\u003cp\u003eEach meter is supplied with:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCR2032 battery (installed)\u003c\/li\u003e\n\u003cli\u003eStorage\/protection shield\u003c\/li\u003e\n\u003cli\u003eInstruction manual\u003c\/li\u003e\n\u003cli\u003eQuality certificate\u003c\/li\u003e\n\u003cli\u003e35.00 ppt calibration standard sachet (x 4)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Hanna Instruments","offers":[{"title":"Default Title","offer_id":41072629973037,"sku":"HANNA-HI98319","price":124.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0595\/1864\/8365\/files\/hanna-waterproof-salinity-tester-hi98319-akvaariovedenhoito-477.webp?v=1734567723"},{"product_id":"hanna-checker®hc-calcium-colorimeter-ca","title":"Hanna Checker®HC Calcium (Ca) HI-758","description":"\u003cp\u003e\u003cspan\u003e\u003cimg alt=\"Hanna Checker®HC Calcium (Ca) HI-758\" src=\"https:\/\/korellifarmi.com\/cdn\/shop\/files\/hanna-20logo.png\" align=\"baseline\" hspace=\"0\" data-original=\"https:\/\/www.marine-aquatics.eu\/inshop\/Files\/HANNA-HI758_EN\/hanna%20logo.png\" data-files=\"hanna-20logo.png\" loading=\"lazy\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eHanna Checker - Calcium Colorimeter\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cspan\u003e\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003cp\u003e\u003cspan\u003eIdeal for salt water aquariums and coral reef tanks.\u003cbr\u003eDesigned exclusively for saltwater aquariums, the HI-758 offers a quick, easy and highly accurate method of checking Calcium.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFor replacement reagents for\u003cstrong\u003e Calcium Checker®HC\u003c\/strong\u003e use code \u003cstrong\u003eHI-758-26\u003c\/strong\u003e for future purchases.\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eEasy to use\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAccurate results every time\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eExceptional price\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eLarge LCD display\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eUses top quality technology to deliver high precision results. The HI-758 Calcium Checker is a simple, accurate and cost effective way to measure marine calcium in water.\u003c\/p\u003e\n\u003cp\u003eDesigned as a more accurate alternative to chemical test kits, the HI 758 provides quick, accurate results in four easy steps;\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAdd 1ml of reagent A and add 9ml of deionised water to cuvette.\u003c\/li\u003e\n\u003cli\u003eInsert cuvette into the Checker and zero it out.\u003c\/li\u003e\n\u003cli\u003eRemove cuvette and add 0.1ml sample to be tested and 1 packet of reagent B\u003c\/li\u003e\n\u003cli\u003eReinsert sample and click the button to measure your results or press and hold the button for 3 seconds for a time reaction reading.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe contoured style of the HI-758 Calcium Checker is designed to fit in the palm of your hand. The large LCD is easy to read and the auto shut-off feature ensures the battery life will not be drained if you forget to turn it off.\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eIdeal for:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSalt water aquariums\u003c\/li\u003e\n\u003cli\u003eCoral reef tanks\u003c\/li\u003e\n\u003cli\u003eWater quality\u003c\/li\u003e\n\u003cli\u003eEnvironmental\u003c\/li\u003e\n\u003cli\u003eEducation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eMain Benefits\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eTesting is quick and easy\u003c\/li\u003e\n\u003cli\u003eHigh precision results - more accurate than chemical test kits\u003c\/li\u003e\n\u003cli\u003eAuto shut-off feature means the Checker cannot be left on by mistake\u003c\/li\u003e\n\u003cli\u003eFully portable, fitting easily into both palm and pocket\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eSupplied with\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e2 sample cuvettes\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCuvette cap\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eStarter pack of reagents (HI-758-26)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e1 x 1.5 AAA battery\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003e\u003c\/span\u003e\u003cspan\u003eInstructions\u003cbr\u003eAlso available: HI-758-11 Calibration Set\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRange:  200 to 600 ppm\u003c\/li\u003e\n\u003cli\u003eResolution:  1 ppm\u003c\/li\u003e\n\u003cli\u003eAccuracy @ 25°C:  ±6% of reading\u003c\/li\u003e\n\u003cli\u003eLight Source:  light emitting diode @ 610 nm\u003c\/li\u003e\n\u003cli\u003eLight Detector:  Silicon Photocell\u003c\/li\u003e\n\u003cli\u003eEnvironment:  0 to 50 °C (32 to 122 °F); max 95% RH non-condensing\u003c\/li\u003e\n\u003cli\u003eBattery Type:  (1) 1.5V AAA\u003c\/li\u003e\n\u003cli\u003eAuto-off:  after 10 minutes of non-use\u003c\/li\u003e\n\u003cli\u003eDimensions:  81.5 x 61 x 37.5 mm (3.2 x 2.4 x 1.5\")\u003c\/li\u003e\n\u003cli\u003eWeight:  64 g (2.25 oz.)\u003c\/li\u003e\n\u003cli\u003eMethod:  adaptation of the zincon method\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003e\u003cimg alt=\"Hanna Checker®HC Calcium (Ca) HI-758\" src=\"https:\/\/korellifarmi.com\/cdn\/shop\/files\/Hanna-20Marine-Line-2.webp\" align=\"baseline\" hspace=\"0\" data-original=\"https:\/\/www.marine-aquatics.eu\/inshop\/Files\/HANNA-HI758_EN\/Hanna%20Marine-Line-2.jpg\" data-files=\"Hanna-20Marine-Line-2.jpg\" loading=\"lazy\"\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"Hanna Instruments","offers":[{"title":"Default Title","offer_id":41072633348141,"sku":"HANNA-HI758","price":89.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0595\/1864\/8365\/files\/hanna-checker-r-hc-calcium-ca-hi-758-akvaariovedenhoito-537.webp?v=1734567750"},{"product_id":"hanna-checker®hc-phosphate-colorimeter-ulr-po4","title":"Hanna Checker®HC Phosphate Ultra Low Range (PO4) HI-774","description":"\u003cp\u003e\u003cimg alt=\"Hanna Checker®HC Phosphate Ultra Low Range (PO4) HI-774\" src=\"https:\/\/korellifarmi.com\/cdn\/shop\/files\/hanna-20logo.png\" align=\"baseline\" hspace=\"0\" data-original=\"https:\/\/www.marine-aquatics.eu\/inshop\/Files\/HANNA-HI736_EN\/hanna%20logo.png\" data-files=\"hanna-20logo.png\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eHanna Checker - Phosphate ULR Colorimeter\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Hanna Phosphate checker ULR is an awesome little tool that will give you accurate easy to read results.  If you have bad eyes or have a hard time with color change test kits, the digital read out on the Hanna checkers is super easy to read. \u003c\/p\u003e\n\u003cp\u003eThe biggest key with Hanna checkers is keeping the vials nice and clean for consistent results.\u003c\/p\u003e\n\u003cp\u003eThree simple steps to results. The Hanna Phosphate Checker ULR bridges the gap between simple chemical test kits and professional instrumentation. Accurate, affordable and easy to use.\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003eFirst, zero the instrument with your water sample.\u003c\/li\u003e\n\u003cli\u003eNext, add the reagent.\u003c\/li\u003e\n\u003cli\u003eLast, place the vial into the Hanna Phosphate Checker ULR, press the button and read the results.\u003c\/li\u003e\n\u003cli\u003eDone.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eDedicated to a single parameter\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDesigned to work with HANNA's powder reagents \u003cstrong\u003euses 10 mL glass cuvettes.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eSmall Size, Big Convenience\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWeighing a mere 65 g (2.3 oz.), the Checker®HC easily fits into the palm of your hand or pocket.Use for quick and accurate on\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003ethe spot analysis. Single button operation: Zero and Measure Operated by a single AAA battery.\u003c\/span\u003e\u003c\/p\u003e\n\u003cspan\u003e\u003c\/span\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eRange: 0 up to 200 ppb (µg\/l)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eResolution: 1 ppb (µg\/l)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePrecision: ±0.04 ppm (mg\/L) ±4% of reading @ 25°C\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eLight Source: LED @ 525 nm\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eLight Detector: Silicon photocell\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eEnvironment: 0 to 50°C (32 to 122°F); RH max 95% non-condensing\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eBattery Type: (1) 1.5V AAA\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAuto-off: After 2 minutes of non-use and after read\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDimensions: 81.5 x 61 x 37.5 mm (3.2 x 2.4 x 1.5\")\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eWeight: 64 g (2.25 oz.)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003e\u003c\/span\u003e\u003cspan\u003eMethod: Adaptation of Standard Method 4500-P E.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003e\u003c\/span\u003e \u003cspan\u003e\u003cstrong\u003eWhat's Included\u003c\/strong\u003e\u003cbr\u003e1x HI736 Low Range Phosphate Checker\u003cbr\u003e6x HI736-25 Reagent Packets\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e2x glass cuvettes\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e1x baterry 1,5V AAA\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cimg alt=\"Hanna Checker®HC Phosphate Ultra Low Range (PO4) HI-774\" src=\"https:\/\/korellifarmi.com\/cdn\/shop\/files\/Hanna-20Marine-Line-2.webp\" align=\"baseline\" hspace=\"0\" data-original=\"https:\/\/www.marine-aquatics.eu\/inshop\/Files\/HANNA-HI736_EN\/Hanna%20Marine-Line-2.jpg\" data-files=\"Hanna-20Marine-Line-2.jpg\" loading=\"lazy\"\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"Hanna Instruments","offers":[{"title":"Default Title","offer_id":41087882657837,"sku":"HANNA-HI774","price":89.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0595\/1864\/8365\/files\/hanna-checker-r-hc-phosphate-ultra-low-range-po4-hi-774-536.webp?v=1734568175"},{"product_id":"hanna-checker®-marine-alkalinity-colorimeter-dkh-alk","title":"Hanna Checker® Marine Alkalinity dkH (Alk) HI-772","description":"\u003cp\u003e\u003cimg alt=\"Hanna Checker® Marine Alkalinity dkH (Alk) HI-772\" src=\"https:\/\/korellifarmi.com\/cdn\/shop\/files\/hanna-20logo.png\" align=\"baseline\" hspace=\"0\" data-original=\"https:\/\/www.marine-aquatics.eu\/inshop\/Files\/HANNA-HI772-26_EN\/hanna%20logo.png\" data-files=\"hanna-20logo.png\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\u003cp\u003eThree simple steps to results. The Hanna Alkalinity Checker bridges the gap between simple chemical test kits and professional instrumentation. Accurate, affordable and easy to use. First, zero the instrument with your water sample. Next, add the reagent. Last, place the vial into the Hanna Alkalinity Checker, press the button and read the results. Done.\u003c\/p\u003e\n\u003cp\u003e \u003cstrong\u003eEasier to use and more accurate than chemical test kits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eChemical and titration test kits have limited accuracy and very hard to repeat that usually will rely on the human eye and lighting to determine the reading. Hanna's HI772 Alkalinity Checker is much more reliable with their single light source with a fixed wavelength that will give the electronic checker the ability to make repeatable measurements time after time. Similar measurement devices are used by labs and large-scale testing facilities for their dependable and precise measurements.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eDedicated to a single parameter\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eInstead of a single unit doing everything, each Hanna Checker is designed to perform a test for a single parameter. This allows the test to have greater precision while also making it easier to use overall.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eSmall Size, Big Convenience\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eWeighing a mere 65 g (2.3 oz.), the Checker®HC easily fits into the palm of your hand or pocket. Use for quick and accurate on the spot analysis. Single-button operation: Zero and Measure Operated by a single AAA battery.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e Specifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRange:\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003e0.0 to 20.0 dKH\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eResolution:\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003e0.1 dKH\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e±0.3 dKH ±5% of reading\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLight Source:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eLED @ 610 nm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLight Detector:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eSilicon photocell\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnvironment:\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003e0 to 50°C (32 to 122°F); RH max 95% non-condensing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBattery Type:\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003e(1) 1.5V AAA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAuto-off:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eAfter 10 minutes of non-use and after read\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e81.5 x 61 x 37.5 mm (3.2 x 2.4 x 1.5\")\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 64 g (2.25 oz.)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMethod\u003c\/strong\u003e: Colorimetric method\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003cstrong\u003eWhat's Included\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHI772 Checker\u003c\/li\u003e\n\u003cli\u003e2 sample cuvettes with caps\u003c\/li\u003e\n\u003cli\u003e1 bottle of alkalinity reagent hi772-26\u003c\/li\u003e\n\u003cli\u003e1 ml syringe and tip ­­­\u003c\/li\u003e\n\u003cli\u003ebattery\u003c\/li\u003e\n\u003cli\u003einstructions\u003c\/li\u003e\n\u003cli\u003equick start guide.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Hanna Instruments","offers":[{"title":"Default Title","offer_id":41087893078061,"sku":"HANNA-HI772","price":89.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0595\/1864\/8365\/files\/hanna-checker-r-marine-alkalinity-dkh-alk-hi-772-akvaariovedenhoito-433.webp?v=1734568254"},{"product_id":"hanna-reagents-for-no3-lr-25-tests","title":"Reagents for Hanna Nitrate LR checker HI-781 (25 tests)","description":"\u003cp\u003e\u003cimg alt=\"Reagents for Hanna Nitrate LR checker HI-781 (25 tests)\" src=\"https:\/\/korellifarmi.com\/cdn\/shop\/files\/hanna-20logo.png\" align=\"baseline\" hspace=\"0\" data-original=\"https:\/\/www.marine-aquatics.eu\/inshop\/Files\/HANNA-HI755-26_EN\/hanna%20logo.png\" data-files=\"hanna-20logo.png\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003eHI-781-26 \u003c\/strong\u003eare high-quality reagents that are pre-measured, allowing for users to achieve fast and accurate measurements with their Nitrate colorimeter, LR Checker® HC .\u003c\/p\u003e","brand":"Hanna Instruments","offers":[{"title":"Default Title","offer_id":46364660171075,"sku":"HANNA-HI781-26","price":19.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0595\/1864\/8365\/files\/reagents-for-hanna-nitrate-lr-checker-hi-781-25-tests-333.webp?v=1734574356"},{"product_id":"hanna-calcium-ca-reagents-25-tests","title":"Reagents for Hanna Marine Calcium Checker HI-758 (25 tests)","description":"\u003cp\u003e\u003cimg alt=\"Reagents for Hanna Calcium checker HI-758 (25 tests)\" src=\"https:\/\/korellifarmi.com\/cdn\/shop\/files\/hanna-20logo.png\" align=\"baseline\" hspace=\"0\" data-original=\"https:\/\/www.marine-aquatics.eu\/inshop\/Files\/HANNA-HI755-26_EN\/hanna%20logo.png\" data-files=\"hanna-20logo.png\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\u003cp\u003eThe HI-758-26 are high-quality reagents that are pre-measured, allowing for users to achieve fast and accurate measurements with their Marine Calcium Checker® HC.\u003c\/p\u003e\n\u003cp\u003eThese reagents follow the Zincon Method in which the reaction causes a blue tint in the sample. By simply adding 1 mL of the first reagent to the sample, followed by a packet of the second reagent in the HI-758-26 set, the reaction will take place and the HI-758 will determine the concentration from the colour that is produced. The results will be displayed in ppm of calcium.\u003c\/p\u003e","brand":"Hanna Instruments","offers":[{"title":"Default Title","offer_id":46364661743939,"sku":"","price":45.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0595\/1864\/8365\/files\/reagents-for-hanna-calcium-checker-hi-758-25-tests-235.webp?v=1734574375"},{"product_id":"hanna-reagents-for-marine-phosphate-ulr-checker-25-tests","title":"Reagents for Hanna Phosphate ULR checker HI-774 (25 tests)","description":"\u003cp\u003e\u003cimg alt=\"Reagents for Hanna Phosphate ULR checker HI-774 (25 tests)\" src=\"https:\/\/korellifarmi.com\/cdn\/shop\/files\/hanna-20logo.png\" align=\"baseline\" hspace=\"0\" data-original=\"https:\/\/www.marine-aquatics.eu\/inshop\/Files\/HANNA-HI755-26_EN\/hanna%20logo.png\" data-files=\"hanna-20logo.png\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe \u003cstrong\u003eHI-774-25 \u003c\/strong\u003eare high-quality reagents that are pre-measured, allowing for users to achieve fast and accurate measurements with their Phosphate \u003cstrong\u003eUltra Low Range\u003c\/strong\u003e Checker® HC.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThese reagents follow the Ascorbic Acid Method in which the reaction between phosphate and reagents causes a blue tint in the sample. By simply adding the packet of HI-774-25 reagent to the sample, the reaction will take place and the HI-774 will determine the concentration from the colour that is produced.\u003cbr\u003eThe results will be displayed in ppb of phosphate.\u003c\/p\u003e","brand":"Hanna Instruments","offers":[{"title":"Default Title","offer_id":46364662563139,"sku":"HANNA-HI774-25","price":24.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0595\/1864\/8365\/files\/reagents-for-hanna-phosphate-ulr-checker-hi-774-25-tests-732.webp?v=1734574388"},{"product_id":"hanna-checker®hc-nitrate-colorimeter-hr-no3","title":"Hanna Checker®HC Nitrate High Range (NO3) HI-782","description":"\u003cp\u003e\u003cimg align=\"baseline\" src=\"https:\/\/korellifarmi.com\/cdn\/shop\/files\/hanna-20logo.png\" alt=\"Hanna Checker®HC Nitrate High Range (NO3) HI-782\" hspace=\"0\" data-original=\"https:\/\/www.marine-aquatics.eu\/inshop\/Files\/HANNA-HI781_EN\/hanna%20logo.png\" data-files=\"hanna-20logo.png\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\u003cp\u003eThe HI-782 Marine Nitrate High Range Colorimeter is specifically designed to quickly and accurately determine high levels of nitrate for saltwater aquariums and marine applications. With a digital read out, there is no more struggling to determine colours visually.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMeasurements with a range up to 75.0ppm\u003c\/li\u003e\n\u003cli\u003eLess complex laboratory grade accuracy - Requires only 1 reagent\u003c\/li\u003e\n\u003cli\u003eSimple, intuitive operation (single button)\u003c\/li\u003e\n\u003cli\u003eCompact and precise whether at home, at work, or on-the-go\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eEach HI-782 is delivered in a case with custom insert and supplied with:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSample cuvette and cap (2 pcs.)\u003c\/li\u003e\n\u003cli\u003eMarine Nitrate High Range reagent starter kit (reagents for 10 tests)\u003c\/li\u003e\n\u003cli\u003e3 mL pipette (1 pc.)\u003c\/li\u003e\n\u003cli\u003e1.5V AAA Alkaline battery (1 pc.)\u003c\/li\u003e\n\u003cli\u003eInstruction manual\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eNitrate is the final step in the Nitrogen cycle. Excessive amounts of nitrates in saltwater aquariums facilitate the growth of undesirable organisms such as algae and dinoflagellates.\u003c\/p\u003e\n\u003cp\u003eThe HI-782 Nitrate Checker HC uses the Zinc Reduction method, a no filter process, to measure the concentration of nitrate colorimetrically, ultimately reducing the time of each test and leaving no additional waste.\u003c\/p\u003e\n\u003cp\u003eWith higher range measurements, such as the HI-782 which ranges from 0.0 up to 75.0 ppm (as NO3–), there is also no dilution procedure needed.\u003c\/p\u003e\n\u003ch3\u003eHI-782 High Range Nitrate Checker vs HI-781 Low Range Nitrate Checker\u003c\/h3\u003e\n\u003cp\u003eThe HI-782 was designed to quickly and easily measure nitrate levels for aquarist with higher-than-average nutrient levels.\u003c\/p\u003e\n\u003cp\u003eThis includes saltwater aquariums that are fish-only or have corals that can tolerate elevated levels of nitrate up to 30 ppm or more.\u003c\/p\u003e\n\u003cp\u003eVery low levels of nitrate are critical for many saltwater reef aquariums, as nitrate can cause damage and possible death to certain delicate corals and invertebrates. For this reason, the HI-781 offers unmatched precision in the measurement of very low levels of nitrate (0.00 to 5.00 ppm).\u003c\/p\u003e\n\u003ch3\u003eFour steps. One click. Instant Readout.\u003c\/h3\u003e\n\u003ch3\u003e\n\u003cimg height=\"200\" width=\"200\" alt=\"Step 1\" src=\"https:\/\/korellifarmi.com\/cdn\/shop\/files\/CheckerReagent-1.jpg\" data-original=\"https:\/\/hannainstruments.co.uk\/img\/cms\/CheckerReagent_1.jpg\" data-files=\"CheckerReagent-1.jpg\" loading=\"lazy\"\u003e \u003c\/h3\u003e\n\u003ch3\u003e1. ‘Zero’ the Checker®HC with your vial \u0026amp; 10ml water sample inside\u003c\/h3\u003e\n\u003ch3\u003e\u003cimg height=\"200\" width=\"200\" alt=\"Step 2\" src=\"https:\/\/korellifarmi.com\/cdn\/shop\/files\/CheckerReagent-2.jpg\" data-original=\"https:\/\/hannainstruments.co.uk\/img\/cms\/CheckerReagent_2.jpg\" data-files=\"CheckerReagent-2.jpg\" loading=\"lazy\"\u003e\u003c\/h3\u003e\n\u003ch3\u003e 2. Take the vial out and add your reagent\u003c\/h3\u003e\n\u003ch3\u003e\n\u003cimg height=\"200\" width=\"200\" alt=\"Step 3\" src=\"https:\/\/korellifarmi.com\/cdn\/shop\/files\/CheckerReagent-3.jpg\" data-original=\"https:\/\/hannainstruments.co.uk\/img\/cms\/CheckerReagent_3.jpg\" data-files=\"CheckerReagent-3.jpg\" loading=\"lazy\"\u003e \u003c\/h3\u003e\n\u003ch3\u003e3. Place your vial into your Checker®HC\u003c\/h3\u003e\n\u003ch3\u003e\u003cimg height=\"200\" width=\"200\" alt=\"Step 4\" src=\"https:\/\/korellifarmi.com\/cdn\/shop\/files\/CheckerReagent-4.jpg\" data-original=\"https:\/\/hannainstruments.co.uk\/img\/cms\/CheckerReagent_4.jpg\" data-files=\"CheckerReagent-4.jpg\" loading=\"lazy\"\u003e\u003c\/h3\u003e\n\u003ch3\u003e  4. Press the button and read the results\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003e\u003cimg align=\"baseline\" src=\"https:\/\/korellifarmi.com\/cdn\/shop\/files\/Hanna-20Marine-Line-2.webp\" alt=\"Hanna Checker®HC Nitrate High Range (NO3) HI-782\" hspace=\"0\" data-original=\"https:\/\/www.marine-aquatics.eu\/inshop\/Files\/HANNA-HI781_EN\/Hanna%20Marine-Line-2.jpg\" data-files=\"Hanna-20Marine-Line-2.jpg\" loading=\"lazy\"\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"Hanna Instruments","offers":[{"title":"Default Title","offer_id":47176763638083,"sku":"HANNA-HI782","price":89.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0595\/1864\/8365\/files\/hanna-checker-r-hc-nitrate-high-range-no3-hi-782-akvaariovedenhoito-187.webp?v=1734576053"},{"product_id":"hanna-reagents-for-no3-hr-25-tests","title":"Reagents for Hanna Nitrate HR checker HI-782 (25 tests)","description":"The HI-782-25 are high-quality reagents that are pre-measured, allowing for users to achieve fast and accurate measurements with their Nitrate colorimeter, HR Checker® HC .","brand":"Hanna Instruments","offers":[{"title":"Default Title","offer_id":47357241327939,"sku":"HANNA-HI782-25","price":25.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0595\/1864\/8365\/files\/reagents-for-hanna-nitrate-hr-checker-hi-782-25-tests-329.webp?v=1734576818"},{"product_id":"hanna-salinity-calibration-solution-35-00-g-l-ppt","title":"HI-70024 Salinity Standard 35.00ppt","description":"\u003cp\u003e20 ML BAG 35 ppt calibration solution for the HI98319 Salinity tester\u003c\/p\u003e","brand":"Hanna Instruments","offers":[{"title":"Default Title","offer_id":48179005161795,"sku":"","price":4.5,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0595\/1864\/8365\/files\/rn-image_picker_lib_temp_e1ec8cce-6fa2-43d1-bf5d-13d041f983e5.jpg?v=1781163214"},{"product_id":"hanna-checker®hc-marine-ph-colorimeter-hi-780","title":"Hanna Checker®HC Marine PH HI-780","description":"\u003cp\u003e\u003cimg align=\"baseline\" src=\"https:\/\/korellifarmi.com\/cdn\/shop\/files\/hanna-20logo.png\" alt=\"Hanna Checker®HC Marine PH HI-780\" hspace=\"0\" data-original=\"https:\/\/www.marine-aquatics.eu\/inshop\/Files\/HANNA-HI781_EN\/hanna%20logo.png\" data-files=\"hanna-20logo.png\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\u003cp\u003epH of ocean surface water is normally 7.5.to 8.5 pH.\u003c\/p\u003e\n\u003cp\u003eOver the years however, acidification tendency is to decrease 0.1 to 0.2 pH units\/century. Acidification is a consequence of carbon dioxide (CO\u003csub\u003e₂\u003c\/sub\u003e) absorption in seawaters and oceans. Carbon dioxide reacts with seawater to produce carbonic acid (H\u003csub\u003e₂\u003c\/sub\u003eCO\u003csub\u003e₃\u003c\/sub\u003e).\u003c\/p\u003e\n\u003cp\u003epH modifications affect marine life growth, reproduction, and communication. Hydrogen ions have a tendency to bond with carbonate to form bicarbonate. The greater attraction to carbonate over calcium can adversely affect skeleton building and can limit coral growth.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eIdeal for aquariums and marine biology\u003c\/li\u003e\n\u003cli\u003eEasier to use and more accurate than chemical test kits\u003c\/li\u003e\n\u003cli\u003eSmall size, big convenience\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFour steps. One click. Instant Readout.\u003c\/h3\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch3\u003e\n\u003cimg height=\"200\" width=\"200\" alt=\"Step 1\" src=\"https:\/\/korellifarmi.com\/cdn\/shop\/files\/CheckerReagent-1.jpg\" data-original=\"https:\/\/hannainstruments.co.uk\/img\/cms\/CheckerReagent_1.jpg\" data-files=\"CheckerReagent-1.jpg\" loading=\"lazy\"\u003e  1. ‘Zero’ the Checker®HC with your vial \u0026amp; 10ml water sample inside\u003c\/h3\u003e\n\u003ch3\u003e\n\u003cimg height=\"200\" width=\"200\" alt=\"Step 2\" src=\"https:\/\/korellifarmi.com\/cdn\/shop\/files\/CheckerReagent-2.jpg\" data-original=\"https:\/\/hannainstruments.co.uk\/img\/cms\/CheckerReagent_2.jpg\" data-files=\"CheckerReagent-2.jpg\" loading=\"lazy\"\u003e  2. Take the vial out and add your reagent\u003c\/h3\u003e\n\u003ch3\u003e\n\u003cimg height=\"200\" width=\"200\" alt=\"Step 3\" src=\"https:\/\/korellifarmi.com\/cdn\/shop\/files\/CheckerReagent-3.jpg\" data-original=\"https:\/\/hannainstruments.co.uk\/img\/cms\/CheckerReagent_3.jpg\" data-files=\"CheckerReagent-3.jpg\" loading=\"lazy\"\u003e  3. Place your vial into your Checker®HC\u003c\/h3\u003e\n\u003ch3\u003e\n\u003cimg height=\"200\" width=\"200\" alt=\"Step 4\" src=\"https:\/\/korellifarmi.com\/cdn\/shop\/files\/CheckerReagent-4.jpg\" data-original=\"https:\/\/hannainstruments.co.uk\/img\/cms\/CheckerReagent_4.jpg\" data-files=\"CheckerReagent-4.jpg\" loading=\"lazy\"\u003e 4. Press the button and read the results\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003e\u003cimg align=\"baseline\" src=\"https:\/\/korellifarmi.com\/cdn\/shop\/files\/Hanna-20Marine-Line-2.webp\" alt=\"Hanna Checker®HC Marine PH HI-780\" hspace=\"0\" data-original=\"https:\/\/www.marine-aquatics.eu\/inshop\/Files\/HANNA-HI781_EN\/Hanna%20Marine-Line-2.jpg\" data-files=\"Hanna-20Marine-Line-2.jpg\" loading=\"lazy\"\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"Hanna Instruments","offers":[{"title":"Default Title","offer_id":48249592021315,"sku":"HANNA-HI780","price":89.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0595\/1864\/8365\/files\/hanna-checker-r-hc-marine-ph-hi-780-akvaariovedenhoito-758.webp?v=1734578590"},{"product_id":"hanna-checker®-marine-ammonia-checker-hi-784","title":"Hanna Checker® Marine Ammonia Checker HI-784","description":"\u003cp\u003e\u003cimg alt=\"Hanna Checker® Marine Ammonia Checker HI-784\" src=\"https:\/\/korellifarmi.com\/cdn\/shop\/files\/hanna-20logo.png\" align=\"baseline\" hspace=\"0\" data-original=\"https:\/\/www.marine-aquatics.eu\/inshop\/Files\/HANNA-HI772-26_EN\/hanna%20logo.png\" data-files=\"hanna-20logo.png\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\u003cp\u003eEach HI-784 is delivered in a case with custom insert and is supplied with:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMarine Ammonia reagent starter kit (reagents for 10 tests). Please download the Safety Datasheet(s) which provide more detail on the reagents before use; click on the link in the “safety data sheets” paragraph below\u003c\/li\u003e\n\u003cli\u003eSample cuvette and cap (2)\u003c\/li\u003e\n\u003cli\u003ePlastic refilling pipette (1)\u003c\/li\u003e\n\u003cli\u003e1.5V AAA Alkaline battery (1)\u003c\/li\u003e\n\u003cli\u003eInstruction manual\u003c\/li\u003e\n\u003cli\u003eQuick-reference guide\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eHI-784 Marine Ammonia handheld checker is designed to determine the concentration of ammonia in saltwater aquariums. HI-784 features a single-button operation system and is easy to use. The large LCD is easy to read and the auto shut-off feature assures the battery with not run down.\u003c\/p\u003e\n\u003ch3\u003eRecommendations for Users\u003c\/h3\u003e\n\u003cp\u003eBefore using this product, make sure it is entirely suitable for your specific application and for the environment in which it is used. Any variation introduced by the user to the supplied equipment may degrade the checker’s performance. For your and the checker’s safety do not use or store it in hazardous environments.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch3\u003eCalculating Unionized Toxic Ammonia\u003c\/h3\u003e\n\u003cp\u003eThis method measures NH\u003csub\u003e3\u003c\/sub\u003e\/NH\u003csub\u003e4\u003c\/sub\u003e\u003csup\u003e+\u003c\/sup\u003e. To determine the toxic NH\u003csub\u003e3\u003c\/sub\u003e\u003cspan\u003e \u003c\/span\u003eportion, use the table to determine the percentage of toxic NH\u003csub\u003e3\u003c\/sub\u003e. Levels of toxic NH\u003csub\u003e3\u003c\/sub\u003e\u003cspan\u003e \u003c\/span\u003egreater than 0.01ppm have a negative effect on fish.\u003c\/p\u003e\n\u003cp\u003eMultiply total ammonia (NH\u003csub\u003e3\u003c\/sub\u003e\/NH\u003csub\u003e4\u003c\/sub\u003e\u003csup\u003e+\u003c\/sup\u003e) by the percent unionized ammonia from the table to determine unionized toxic ammonia.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eExample: pH 8.0, Temperature: 24°C (75°F), NH\u003csub\u003e3\u003c\/sub\u003e\/NH\u003csub\u003e4\u003c\/sub\u003e\u003cspan\u003e \u003c\/span\u003e+ 1.00 ppm Unionized toxic ammonia: 1.00 ppm x (5.0 % ÷ 100 )= 0.05 ppm\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003e\u003cimg height=\"220\" width=\"501\" alt=\"Unionised Ammonia\" src=\"https:\/\/korellifarmi.com\/cdn\/shop\/files\/784-unionised-20ammonia-20table.jpg\" data-original=\"https:\/\/hannainstruments.co.uk\/img\/cms\/784_unionised%20ammonia%20table.jpg\" data-files=\"784-unionised-20ammonia-20table.jpg\" loading=\"lazy\"\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eTips for an Accurate Measurement\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eEnsure the sample does not contain any debris\u003c\/li\u003e\n\u003cli\u003eHold dropper bottles completely vertically and squeeze slowly to ensure correct drop size.\u003c\/li\u003e\n\u003cli\u003eWhenever the cuvette is placed into the checker, it must be dry outside and free of fingerprints, oil and dirt.\u003c\/li\u003e\n\u003cli\u003eWipe the cuvette thoroughly with HI-731318 microfiber cleaning cloth or a lint-free cloth prior to insertion.\u003c\/li\u003e\n\u003cli\u003eShaking the cuvette can generate bubbles, causing higher readings. To obtain accurate measurements, remove such bubbles by swirling or by gently tapping the cuvette.\u003c\/li\u003e\n\u003cli\u003eDo not let the reacted sample stand too long after reagent has been added, as accuracy will be affected.\u003c\/li\u003e\n\u003cli\u003eDiscard the sample immediately after the reading has been taken or the glass might become permanently stained\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003ePrepare sample cuvette immediately after collecting sample from tank. Ammonia is volatile and will dissipate if stored in a bottle before analysis, causing low measurements.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eAccessories\u003c\/h3\u003e\n\u003cp\u003e\u003cb\u003eReagent Sets\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHI-784-25 Reagents for 25 Marine Ammonia tests\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003eOther Accessories\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHI-784-11 Marine Ammonia certified standard kit\u003c\/li\u003e\n\u003cli\u003eHI-731315 Glass cuvette and cap for Checker®HC colorimeters (2 pcs.)\u003c\/li\u003e\n\u003cli\u003eHI-731318 Cloth for wiping cuvettes (4 pcs.)\u003c\/li\u003e\n\u003cli\u003eHI-740028P 1.5V AAA battery set (12 pcs.)\u003c\/li\u003e\n\u003cli\u003eHI-740157P Transfer pipette (20 pcs.)\u003c\/li\u003e\n\u003cli\u003eHI-93703-50 Cuvette cleaning solution, 230 mL\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSafety Data Sheets\u003c\/h3\u003e\n\u003cp\u003eAccess safety data sheets online here. When using any form of chemical, it is important you download the relevant safety datasheet and make yourself aware of any precautions you should take when handling the chemical. You can access our library of safety datasheets and download a copy by following the link below.\u003c\/p\u003e\n\u003cp\u003ePlease note that the '-' in HI- products should be removed from all searches to find the correct information.\u003c\/p\u003e","brand":"Hanna Instruments","offers":[{"title":"Default Title","offer_id":48249728598339,"sku":"HANNA-HI784","price":89.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0595\/1864\/8365\/files\/hanna-checker-r-marine-ammonia-checker-hi-784-akvaariovedenhoito-833.webp?v=1734578603"},{"product_id":"hanna-checker®-marine-magnesium-mg-hi-783","title":"Hanna Checker® Marine Magnesium (Mg) HI-783","description":"\u003cp\u003e\u003cimg alt=\"Hanna Checker® Marine Magnesium (Mg) HI-783\" src=\"https:\/\/korellifarmi.com\/cdn\/shop\/files\/hanna-20logo.png\" align=\"baseline\" hspace=\"0\" data-original=\"https:\/\/www.marine-aquatics.eu\/inshop\/Files\/HANNA-HI772-26_EN\/hanna%20logo.png\" data-files=\"hanna-20logo.png\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\u003cp\u003eEach HI-783 is delivered in a case with a custom insert and is supplied with:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSample cuvette and cap (2 pcs.)\u003c\/li\u003e\n\u003cli\u003eMarine Magnesium reagent starter kit (reagents for 25 tests)\u003c\/li\u003e\n\u003cli\u003e1 mL graduated syringe and tip (1 pc.)\u003c\/li\u003e\n\u003cli\u003e5 mL syringe and tip with black printing (1 pc.)\u003c\/li\u003e\n\u003cli\u003e5 mL syringe and tip with blue printing (1 pc.)\u003c\/li\u003e\n\u003cli\u003e1.5V AAA Alkaline battery (1 pc.)\u003c\/li\u003e\n\u003cli\u003eInstruction manual\u003c\/li\u003e\n\u003cli\u003eQuick-reference guide\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eHI-783 features a single-button operation system and is easy to use.\u003c\/p\u003e\n\u003cp\u003eThe large LCD is easy to read and the auto shut-off feature assures the battery will not be drained.\u003c\/p\u003e\n\u003ch3\u003eMeasurement Procedure\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eEnsure cuvettes, syringes, and tips are completely clean and dry before use. See reverse side for tips on measuring liquids using syringes.\u003c\/li\u003e\n\u003cli\u003ePress the ON\/OFF button to turn the checker on. All segments will be displayed for a few seconds, followed by “Add”, “C.1” with “Press” blinking.\u003c\/li\u003e\n\u003cli\u003ePreparing the cuvette for “C.1” measurements:\n\u003cp\u003e• Place the syringe tips onto each syringe. Ensure the O-rings remain in the tip for a proper seal.\u003c\/p\u003e\n\u003cp\u003e• Use the 5 mL syringe with black printing to measure 4 mL of HI-783A-0 reagent. Ensure there is no excess reagent on the syringe tip, then slowly dispense the 4 mL of reagent into a clean, dry cuvette. If excessive reagent remains in the tip, draw a small amount of air into the syringe and use it to expel the remaining reagent into the cuvette.\u003c\/p\u003e\n\u003cp\u003e• Use the 5 mL syringe with blue printing to measure 5 mL of unreacted sample. Ensure there is no excess sample on the syringe tip, then slowly dispense the sample into the same cuvette. Ensure no sample is remaining in the tip.\u003c\/p\u003e\n\u003cp\u003e\u003ci\u003eNote: The total liquid volume will be below the 10 mL mark at this step.\u003c\/i\u003e\u003c\/p\u003e\n\u003cp\u003e• Screw the cap on and gently invert the cuvette 5 times, until the solution has been thoroughly mixed. Ensure there are no bubbles in the mixture and that the outside of the cuvette is dry and clean.\u003c\/p\u003e\n\u003cp\u003e• Insert the cuvette into the checker and close the cap.\u003c\/p\u003e\n\u003cp\u003e• Press the ON\/OFF button. When the display shows “Add”, “C.2” with “Press” blinking, the checker is zeroed. Remove the cuvette.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003ePreparing the cuvette for “C.2” measurements:\n\u003cp\u003e• Unscrew the cap and use HI-783IND-0 powder reagent as instructed into the cuvette. Screw the cap onto the cuvette. Gently invert the cuvette 5 times until the solution has been thoroughly mixed. For the most accurate reading, ensure there are no visible bubbles.\u003c\/p\u003e\n\u003cp\u003e• Insert the cuvette into the checker and close the cap.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003ePress ON\/OFF button. The instrument displays the ppm of magnesium. The checker automatically turns off 10 minutes after reading.\u003c\/li\u003e\n\u003cli\u003eRinse cuvettes, caps, syringes, and tips thoroughly with deionized (RODI) water and allow to dry completely before storing.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003eThe checker shows clear warning messages when erroneous conditions appear and when measured values are outside the expected range.\u003c\/p\u003e\n\u003ch3\u003eAccessories\u003c\/h3\u003e\n\u003cp\u003e\u003cb\u003eReagent Sets\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHI-783-25 Reagents for 25 Marine Magnesium tests\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003eOther Accessories\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHI-783-11 Marine Magnesium certified standard kit\u003c\/li\u003e\n\u003cli\u003eHI-731315 Glass cuvette and cap for Checker®HC colorimeters (2 pcs.)\u003c\/li\u003e\n\u003cli\u003eHI-731318 Cloth for wiping cuvettes (4 pcs.)\u003c\/li\u003e\n\u003cli\u003eHI-740028P 1.5V AAA battery set (12 pcs.)\u003c\/li\u003e\n\u003cli\u003eHI-740143 1 mL graduated syringe (6 pcs.)\u003c\/li\u003e\n\u003cli\u003eHI-740144P Plastic pipette tip (6 pcs.)\u003c\/li\u003e\n\u003cli\u003eHI-740226 5 mL graduated syringe with black printing (1 pc.)\u003c\/li\u003e\n\u003cli\u003eHI-740237 5 mL graduated syringe with blue printing (1 pc.)\u003c\/li\u003e\n\u003cli\u003eHI-740274 Syringe replacement kit\u003c\/li\u003e\n\u003cli\u003eHI-93703-50 Cuvette cleaning solution, 230 mL\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Hanna Instruments","offers":[{"title":"Default Title","offer_id":48277485781315,"sku":"HANNA-HI783","price":89.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0595\/1864\/8365\/files\/hanna-checker-r-marine-magnesium-mg-hi-783-akvaariovedenhoito-714.webp?v=1734578839"},{"product_id":"hanna-magnesium-hi-783-reagents-25-tests","title":"Reagents for Hanna Magnesium checker HI-783 (25 tests)","description":"\u003cp\u003e\u003cimg alt=\"Reagents for Hanna Magnesium checker HI-783 (25 tests)\" src=\"https:\/\/korellifarmi.com\/cdn\/shop\/files\/hanna-20logo.png\" align=\"baseline\" hspace=\"0\" data-original=\"https:\/\/www.marine-aquatics.eu\/inshop\/Files\/HANNA-HI755-26_EN\/hanna%20logo.png\" data-files=\"hanna-20logo.png\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eHI-783-25 Marine Magnesium reagents, 25 tests, for use with the HI-783 Marine Magnesium Handheld Colorimeter Checker.\u003c\/span\u003e\u003c\/p\u003e","brand":"Hanna Instruments","offers":[{"title":"Default Title","offer_id":48277515305283,"sku":null,"price":25.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0595\/1864\/8365\/files\/reagents-for-hanna-magnesium-checker-hi-783-25-tests-570.webp?v=1734578852"},{"product_id":"reagents-for-hanna-ph-checker-hi-780-100-tests","title":"Reagents for Hanna PH checker HI-780 (100 tests)","description":"\u003cp\u003e\u003cimg alt=\"Reagents for Hanna PH checker HI-780 (100 tests)\" src=\"https:\/\/korellifarmi.com\/cdn\/shop\/files\/hanna-20logo.png\" align=\"baseline\" hspace=\"0\" data-original=\"https:\/\/www.marine-aquatics.eu\/inshop\/Files\/HANNA-HI755-26_EN\/hanna%20logo.png\" data-files=\"hanna-20logo.png\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe HI-780-25 is the replacement reagents for the HI-780 Marine pH Checker® HC. These high-quality reagents are clearly marked with the lot number and expiry date on the dropper bottle for traceability. \u003c\/span\u003e\u003c\/p\u003e","brand":"Hanna Instruments","offers":[{"title":"Default Title","offer_id":48277522481475,"sku":"HI-780-25","price":25.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0595\/1864\/8365\/files\/reagents-for-hanna-ph-checker-hi-780-100-tests-akvaariovedenhoito-856.webp?v=1734578861"},{"product_id":"hanna-marine-master-photometer-kit-hi-97105c","title":"Hanna Marine Master Photometer Kit HI-97115C with bluetooth","description":"\u003cp\u003e\u003cimg align=\"baseline\" src=\"https:\/\/korellifarmi.com\/cdn\/shop\/files\/hanna-20logo.png\" alt=\"Hanna Marine Master Photometer Kit HI-97105C\" data-original=\"https:\/\/www.marine-aquatics.eu\/inshop\/Files\/HANNA-HI781_EN\/hanna%20logo.png\" data-files=\"hanna-20logo.png\" loading=\"lazy\" width=\"217\" height=\"64\"\u003e\u003c\/p\u003e\n\u003cp\u003eHanna Marine Master Photometer Kit HI-97115C\u003cbr\u003eProfessional multi-parameter photometer for marine aquariums and field use.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003eThe HI-97115C combines eight essential tests into one waterproof, wireless device. Ideal for monitoring coral reef health, fish systems, and precise water analysis in both hobby and professional environments.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003eMeasures: \u003cstrong\u003epH, alkalinity, ammonia, nitrate, nitrite, phosphate, calcium, magnesium\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eWaterproof (IP67) – floats if dropped in water\u003c\/li\u003e\n\u003cli\u003eRugged and compact – suitable for lab, field, or boat use\u003c\/li\u003e\n\u003cli\u003eStores up to 200 readings in internal memory\u003c\/li\u003e\n\u003cli\u003eLED light source with narrow bandpass filters ensures high accuracy\u003c\/li\u003e\n\u003cli\u003eAutomatic shut-off saves battery life\u003c\/li\u003e\n\u003cli\u003eWireless connectivity for easy data transfer\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eOperating conditions: 0 – 50 °C, 0 – 100% RH (non-serviceable)\u003c\/li\u003e\n\u003cli\u003ePower: 3 × 1.5 V AA batteries (over 800 measurements without backlight)\u003c\/li\u003e\n\u003cli\u003eDimensions: 142.5 × 102.5 × 50.5 mm\u003c\/li\u003e\n\u003cli\u003eWeight: 380 g (with batteries)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eWhat’s Included\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHI-97115C photometer (base unit)\u003c\/li\u003e\n\u003cli\u003eAssorted cuvettes \u0026amp; caps\u003c\/li\u003e\n\u003cli\u003eFilter holder \u0026amp; syringe\u003c\/li\u003e\n\u003cli\u003eBlunt needles \u0026amp; filter discs\u003c\/li\u003e\n\u003cli\u003eCleaning cloth for cuvettes\u003c\/li\u003e\n\u003cli\u003eDurable blue carrying case\u003c\/li\u003e\n\u003cli\u003eNote: Reagents and CAL Check standards are not included and must be purchased separately.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eWhy Choose This Kit?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eConsolidates multiple tests into one instrument → saves time and reduces handling errors\u003c\/li\u003e\n\u003cli\u003eSpecially designed for marine water ranges critical to coral health (nutrients, alkalinity, calcium, etc.)\u003c\/li\u003e\n\u003cli\u003eWaterproof, durable design perfect for fieldwork or professional aquarium maintenance\u003c\/li\u003e\n\u003cli\u003eBuilt-in memory and wireless transfer make logging and record-keeping simple\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Hanna Instruments","offers":[{"title":"Default Title","offer_id":48277609513283,"sku":"HI-97105C","price":579.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0595\/1864\/8365\/files\/hanna-marine-master-photometer-kit-hi-97115c-akvaariovedenhoito-715.webp?v=1764112331"},{"product_id":"hanna-checker-plus-ph-tester","title":"HI-98100 Checker plus  PH tester","description":"\u003cp\u003e\u003cimg alt=\"HI-98100 Checker plus PH tester\" src=\"https:\/\/korellifarmi.com\/cdn\/shop\/files\/hanna-20logo.png\" align=\"baseline\" hspace=\"0\" data-original=\"https:\/\/www.marine-aquatics.eu\/inshop\/Files\/HANNA-HI772-26_EN\/hanna%20logo.png\" data-files=\"hanna-20logo.png\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\u003cdiv class=\"product__description_short\" id=\"product-description-short\" itemprop=\"description\"\u003e\n\u003cp\u003eThe easy to use Checker plus is a real favourite with students and researchers due to its clear LCD display and long thin pH electrode. The checker offers automatic calibration and buffer recognition, calibrated buffer tags, and a stability indicator.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product-features product__features\"\u003e\n\u003cdiv class=\"feature\"\u003e\n\u003csvg viewbox=\"0 0 13.987 10.123\" height=\"10.123\" width=\"13.987\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"\u003e\u003cg transform=\"translate(-305.142 -213.686)\"\u003e\u003cpath transform=\"translate(0)\" d=\"M309.809,222a3.892,3.892,0,0,1,.262-.345q3.768-3.778,7.539-7.551a2.462,2.462,0,0,1,.289-.267.763.763,0,0,1,1.017.106.788.788,0,0,1,.043,1.025,2.512,2.512,0,0,1-.188.2l-8.273,8.275a.831.831,0,0,1-1.394-.01q-1.854-1.854-3.707-3.71a.8.8,0,0,1-.182-.915.727.727,0,0,1,.818-.43,1.16,1.16,0,0,1,.535.3c1,.985,1.989,1.983,2.979,2.98A3.938,3.938,0,0,1,309.809,222Z\" class=\"a\"\u003e\u003c\/path\u003e\u003c\/g\u003e\u003c\/svg\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003eRange: 0.00 to 14.00 pH\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003eSturdy compact meter designed for direct sample testing\u003c\/li\u003e\n\u003cli\u003eFast accurate readings from 0-14 pH with a resolution of 0.01 pH\u003c\/li\u003e\n\u003cli\u003eThin long-reach pH electrode designed to fit easily into a test tube\u003c\/li\u003e\n\u003cli\u003eReplaceable pH electrode\u003c\/li\u003e\n\u003cli\u003eEconomical\u003c\/li\u003e\n\u003cli\u003eHighly accurate\u003c\/li\u003e\n\u003cli\u003eLarge LCD\u003c\/li\u003e\n\u003cli\u003eStability indicator\u003c\/li\u003e\n\u003cli\u003eAutomatic shut-off\u003c\/li\u003e\n\u003cli\u003ePlastic carry case\u003c\/li\u003e\n\u003cli\u003eOne or Two point automatic calibration is simple to perform. The calibration buffers are automatically recognised and after calibration the buffer values used are shown on the display as a tag.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe HI-98100 Checker Plus provides users with fast and accurate readings from 0 to 14 pH with a resolution of 0.01 pH. The Checker Plus features an easy to read LCD and two-point calibration with automatic buffer recognition.\u003c\/p\u003e\n\u003cp\u003e\u003cimg height=\"165\" width=\"195\" alt=\"LCD screen HI-98100\" src=\"https:\/\/korellifarmi.com\/cdn\/shop\/files\/98100-20screen-20shot.jpg\" data-original=\"https:\/\/hannainstruments.co.uk\/img\/cms\/98100%20screen%20shot.jpg\" data-files=\"98100-20screen-20shot.jpg\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eThe HI-1271 pH electrode can be easily replaced. Just unscrew the electrode from the meter body and replace with a new one.\u003c\/p\u003e\n\u003cp\u003eHI-98100 is fast, accurate and lightweight. With 1000 hours of battery life, there is no need to worry about frequent battery replacement.\u003c\/p\u003e","brand":"Hanna Instruments","offers":[{"title":"Default Title","offer_id":48279195058499,"sku":"HI-98100","price":79.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0595\/1864\/8365\/files\/hi-98100-checker-plus-ph-tester-akvaariovedenhoito-390.webp?v=1734578931"},{"product_id":"reagents-for-hanna-marine-ammonia-checker-hi-782-25-tests","title":"Reagents for Hanna Marine Ammonia Checker HI-784 (25 tests)","description":"\u003cp\u003e\u003cspan\u003eHI-784-25 Marine Ammonia reagents, 25 tests, for use with the HI-784 Marine Ammonia Handheld Colorimeter Checker.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Hanna Instruments","offers":[{"title":"Default Title","offer_id":48973346144579,"sku":null,"price":29.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0595\/1864\/8365\/files\/reagents-for-hanna-marine-ammonia-checker-hi-784-25-tests-278.webp?v=1734579645"},{"product_id":"hi-981520-marine-monitor-for-ph-marine-salinity-and-temperature","title":"HI-981520 MARINE MONITOR FOR PH, MARINE SALINITY AND TEMPERATURE","description":"\u003cdiv id=\"product-description-short\" class=\"product__description_short\"\u003e\n\u003cp\u003eTesting and monitoring salinity in saltwater aquariums is an ongoing task. The HI-981520 Marine Monitor is the ideal solution for aquarists looking to continuously monitor salinity levels in aquariums, seawater, or aquaculture.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product-features product__features\"\u003e\n\u003cdiv class=\"feature\"\u003e\n\u003csvg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"13.987\" height=\"10.123\" viewbox=\"0 0 13.987 10.123\"\u003e\u003cg transform=\"translate(-305.142 -213.686)\"\u003e\u003cpath class=\"a\" d=\"M309.809,222a3.892,3.892,0,0,1,.262-.345q3.768-3.778,7.539-7.551a2.462,2.462,0,0,1,.289-.267.763.763,0,0,1,1.017.106.788.788,0,0,1,.043,1.025,2.512,2.512,0,0,1-.188.2l-8.273,8.275a.831.831,0,0,1-1.394-.01q-1.854-1.854-3.707-3.71a.8.8,0,0,1-.182-.915.727.727,0,0,1,.818-.43,1.16,1.16,0,0,1,.535.3c1,.985,1.989,1.983,2.979,2.98A3.938,3.938,0,0,1,309.809,222Z\" transform=\"translate(0)\"\u003e\u003c\/path\u003e\u003c\/g\u003e\u003c\/svg\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003epH\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature\"\u003e\n\u003csvg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"13.987\" height=\"10.123\" viewbox=\"0 0 13.987 10.123\"\u003e\u003cg transform=\"translate(-305.142 -213.686)\"\u003e\u003cpath class=\"a\" d=\"M309.809,222a3.892,3.892,0,0,1,.262-.345q3.768-3.778,7.539-7.551a2.462,2.462,0,0,1,.289-.267.763.763,0,0,1,1.017.106.788.788,0,0,1,.043,1.025,2.512,2.512,0,0,1-.188.2l-8.273,8.275a.831.831,0,0,1-1.394-.01q-1.854-1.854-3.707-3.71a.8.8,0,0,1-.182-.915.727.727,0,0,1,.818-.43,1.16,1.16,0,0,1,.535.3c1,.985,1.989,1.983,2.979,2.98A3.938,3.938,0,0,1,309.809,222Z\" transform=\"translate(0)\"\u003e\u003c\/path\u003e\u003c\/g\u003e\u003c\/svg\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003eTemperature\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature\"\u003e\n\u003csvg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"13.987\" height=\"10.123\" viewbox=\"0 0 13.987 10.123\"\u003e\u003cg transform=\"translate(-305.142 -213.686)\"\u003e\u003cpath class=\"a\" d=\"M309.809,222a3.892,3.892,0,0,1,.262-.345q3.768-3.778,7.539-7.551a2.462,2.462,0,0,1,.289-.267.763.763,0,0,1,1.017.106.788.788,0,0,1,.043,1.025,2.512,2.512,0,0,1-.188.2l-8.273,8.275a.831.831,0,0,1-1.394-.01q-1.854-1.854-3.707-3.71a.8.8,0,0,1-.182-.915.727.727,0,0,1,.818-.43,1.16,1.16,0,0,1,.535.3c1,.985,1.989,1.983,2.979,2.98A3.938,3.938,0,0,1,309.809,222Z\" transform=\"translate(0)\"\u003e\u003c\/path\u003e\u003c\/g\u003e\u003c\/svg\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003eSalinity\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature\"\u003e\n\u003csvg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"13.987\" height=\"10.123\" viewbox=\"0 0 13.987 10.123\"\u003e\u003cg transform=\"translate(-305.142 -213.686)\"\u003e\u003cpath class=\"a\" d=\"M309.809,222a3.892,3.892,0,0,1,.262-.345q3.768-3.778,7.539-7.551a2.462,2.462,0,0,1,.289-.267.763.763,0,0,1,1.017.106.788.788,0,0,1,.043,1.025,2.512,2.512,0,0,1-.188.2l-8.273,8.275a.831.831,0,0,1-1.394-.01q-1.854-1.854-3.707-3.71a.8.8,0,0,1-.182-.915.727.727,0,0,1,.818-.43,1.16,1.16,0,0,1,.535.3c1,.985,1.989,1.983,2.979,2.98A3.938,3.938,0,0,1,309.809,222Z\" transform=\"translate(0)\"\u003e\u003c\/path\u003e\u003c\/g\u003e\u003c\/svg\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003eEC\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature\"\u003e\n\u003cspan\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature\"\u003e\n\u003cdiv class=\"tab__content has-read-more show-full\"\u003e\n\u003cp\u003eThe HI-981520 is an easy to use vertical mount unit that continuously monitors and displays conductivity and pH. The system can be calibrated at one or two points for pH and at one point for conductivity. Seawater salinity is expressed in either parts per thousand (ppt), Practical Salinity Units (PSU), or Specific Gravity (S.G.). A high\/low alarm can be configured for each parameter and the results are displayed on a large, easy to read LCD. The attached two-electrode conductivity probe features a built-in temperature sensor for rapid, high-accuracy temperature readings.\u003c\/p\u003e\n\u003cp\u003eThe Hanna HI-1286 pH double junction, gel filled pH electrode features a PEI resin body that is easy to clean and resistant to many aggressive chemicals. Additionally, the double junction design is less susceptible to clogging for fast and stable readings.\u003c\/p\u003e\n\u003cp\u003e• Waterproof\u003c\/p\u003e\n\u003cp\u003e• Automatic temperature compensation (ATC)\u003c\/p\u003e\n\u003cp\u003e• Dual pin graphite EC probe\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cp\u003e• HI-981520 monitor with attached EC \u0026amp; temperature probe\u003c\/p\u003e\n\u003cp\u003e• HI-1286 replaceable pH electrode\u003c\/p\u003e\n\u003cp\u003e• pH 7.01 buffer solution, 20 mL (2 sachets)\u003c\/p\u003e\n\u003cp\u003e• pH 10.01 buffer solution, 20 mL (2 sachets)\u003c\/p\u003e\n\u003cp\u003e• 35.00 ppt salinity calibration solution, 20 mL (2 sachets)\u003c\/p\u003e\n\u003cp\u003e• Electrode cleaning solution, 20 mL (2 sachets)\u003c\/p\u003e\n\u003cp\u003e• Suction cup (2 pieces)\u003c\/p\u003e\n\u003cp\u003e• Self‑adhesive strip (2 pieces)\u003c\/p\u003e\n\u003cp\u003e• 12 VDC power adapter\u003c\/p\u003e\n\u003cp\u003e• pH electrode quality certificate\u003c\/p\u003e\n\u003cp\u003e• Quick reference guide with instrument quality certificate\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eMain Features\u003c\/h3\u003e\n\u003cp\u003e• Two Alarm operating modes (High \/ Low Value) for each supported parameter\u003c\/p\u003e\n\u003cp\u003e• High \/ Low Alarm generated when measured value exceeds or drops below configured parameter High \/ Low Value\u003c\/p\u003e\n\u003cp\u003e• Acoustic signal generated each time an alarm is triggered\u003c\/p\u003e\n\u003cp\u003e• EC probe contains an integral temperature sensor that simplifies installation\u003c\/p\u003e\n\u003cp\u003e• All readings are compensated for variations in temperature\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eMore features\u003c\/h3\u003e\n\u003cp\u003e\u003cb\u003eMethod and Parameter: \u003c\/b\u003e\u003cspan\u003e \u003c\/span\u003eChosen parameter and method used is displayed along with the reading.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eDedicated Setup Key: \u003c\/b\u003e\u003cspan\u003e \u003c\/span\u003eA dedicated setup key allows users to quickly navigate to setup options.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eSplash-proof Keypad: \u003c\/b\u003e\u003cspan\u003e \u003c\/span\u003eIntuitive on-screen menus are easy to navigate with the splash-proof keypad.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003ePower Supply: \u003c\/b\u003e\u003cspan\u003e \u003c\/span\u003eThe 12 Vdc adapter (included) allows for continuous monitoring\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eFixed EC probe: \u003c\/b\u003e\u003cspan\u003e \u003c\/span\u003eBuilt-in temperature sensor at the tip of the EC sensor allows for rapid determination of the sample temperature and a high-accuracy temperature reading.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eCompact size: \u003c\/b\u003e\u003cspan\u003e \u003c\/span\u003eMeasures 125 mm (4.92”) x 185 mm (7.28”) and only 38 mm (1.49”) thick.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eDedicated Calibration Key: \u003c\/b\u003e\u003cspan\u003e \u003c\/span\u003eA dedicated calibration key allows users to start a one or two-point pH and EC automatic calibration at the touch of a button.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eReplaceable pH probe with BNC connection: \u003c\/b\u003e\u003cspan\u003e \u003c\/span\u003eThe PEI resin body is easy to clean and resistant to many aggressive chemicals. The porous PTFE junction is equally resistant to aggressive chemicals. The double junction design presents a silver-free electrolyte solution interacting with the sample, making the electrode less susceptible to clogging and guaranteeing a fast response and stable reading.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eMeasuring Seawater Salinity\u003c\/h3\u003e\n\u003cp\u003e\u003cb\u003eChoice of Units\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eSeawater salinity units can be chosen through the setup menu.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eppt\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eMeasurements expressed in ppt are based on the Natural Seawater Scale that extends from 0.00 to 80.00 g\/L and covers 10 to 31 °C temperature range. It determines the salinity based upon a conductivity ratio of sample to standard seawater at 15 °C and an approximate salinity value of 35 in seawater.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003ePSU\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eThe practical salinity of seawater relates the ratio of electrical conductivity of a normal seawater sample at 15 °C and 1 atmosphere to a potassium chloride solution (KCl) with a mass of 32.4356 g\/Kg water at the same temperature and pressure. Under these conditions the ratio is equal to 1 and S=35. The practical salinity scale may be applied to values 0 through 42.00 psu at temperatures between 0 to 35 °C.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eSpecific Gravity (S.G.)\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eSpecific Gravity, or relative density, is expressed as the ratio of the density of seawater, at a specific temperature, relative to the density of the same volume of pure water at a specific temperature.\u003c\/p\u003e\n\u003cp\u003eThe probes are secured with suction cups to the back of an aquarium (tank) and are suited for continuous measurement of conductivity and associated parameters required in applications such as seawater, saltwater aquariums, or aquaculture.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Hanna Instruments","offers":[{"title":"Default Title","offer_id":52863482265923,"sku":"HI-981520-02","price":359.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0595\/1864\/8365\/files\/hi-981520-marine-monitor-for-ph-salinity-and-temperature-967.webp?v=1742985372"},{"product_id":"hi-97105-marine-master-photometer","title":"HI-97105 MARINE MASTER PHOTOMETER","description":"\u003cdiv id=\"product-description-short\" class=\"product__description_short\"\u003e\n\u003cp\u003eThe HI-97105 is designed to accurately determine pH, Alkalinity, Calcium, Nitrate, Nitrite, and Phosphate levels in aquariums and marine biology applications.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product-features product__features\"\u003e\n\u003cdiv class=\"feature\"\u003e\n\u003csvg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"13.987\" height=\"10.123\" viewbox=\"0 0 13.987 10.123\"\u003e\u003cg transform=\"translate(-305.142 -213.686)\"\u003e\u003cpath class=\"a\" d=\"M309.809,222a3.892,3.892,0,0,1,.262-.345q3.768-3.778,7.539-7.551a2.462,2.462,0,0,1,.289-.267.763.763,0,0,1,1.017.106.788.788,0,0,1,.043,1.025,2.512,2.512,0,0,1-.188.2l-8.273,8.275a.831.831,0,0,1-1.394-.01q-1.854-1.854-3.707-3.71a.8.8,0,0,1-.182-.915.727.727,0,0,1,.818-.43,1.16,1.16,0,0,1,.535.3c1,.985,1.989,1.983,2.979,2.98A3.938,3.938,0,0,1,309.809,222Z\" transform=\"translate(0)\"\u003e\u003c\/path\u003e\u003c\/g\u003e\u003c\/svg\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003eAlkalinity, Calcium, Nitrate, Nitrite, pH, Phosphate\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature\"\u003e\n\u003cspan\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature\"\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eThe HI-97105 Marine Master Photometer combines accuracy and ease of use in a simple, portable design.\u003c\/p\u003e\n\u003cp\u003eThe advanced optical system provides lab-quality accuracy, while its user-friendly design is easy for any aquarium user, making it the perfect photometer for your water quality testing needs.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eNo warm up time needed before taking a measurement.\u003c\/li\u003e\n\u003cli\u003eTutorial mode for easy step-by-step instructions\u003c\/li\u003e\n\u003cli\u003eCAL CheckTM for performance verification and calibration\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature\"\u003e\n\u003cspan\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feature\"\u003e\n\u003cspan\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Hanna Instruments","offers":[{"title":"Default Title","offer_id":52864360022339,"sku":"HI-97105","price":389.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0595\/1864\/8365\/files\/hi-97105-marine-master-photometer-531.webp?v=1742991611"},{"product_id":"hi-96822-refractometer-for-seawater-measurements","title":"HI-96822 REFRACTOMETER FOR SEAWATER MEASUREMENTS","description":"\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eThe HI-96822 digital refractometer is a rugged, portable, water resistant device that utilises the measurement of the refractive index to determine the salinity of natural and artificial seawater, ocean water or brackish intermediates.\u003c\/p\u003e\n\u003cp\u003eThe HI-96822 digital refractometer eliminates the uncertainty associated with mechanical refractometers and is durable and compact enough to be used at home, in the lab and out in the field.\u003c\/p\u003e\n\u003cp\u003eThis digital refractometer is an optical device that is quick and easy to use. After a simple user calibration with distilled or deionised water, a seawater sample can be introduced into the sample well.\u003c\/p\u003e\n\u003cp\u003eWithin seconds, the refractive index and temperature are measured and converted into one of 3 popular measurement units: Practical Salinity Units (PSU), salinity in parts per thousand (ppt), or specific gravity (S.G. (20\/20)). All conversion algorithms are based upon respected scientific publications using the physical properties of seawater (not sodium chloride).\u003c\/p\u003e\n\u003cp\u003eThe HI-96822 is lightweight, easy to use, cost-efficient, and is extremely accurate. 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