{"title":"Marine Reagents","description":"\u003cp\u003eMarine reagents are the essential liquids and powders used with your test kits and dosing equipment to accurately measure and maintain key water parameters in a saltwater aquarium. They’re used to monitor things like alkalinity, calcium, magnesium, nitrate, phosphate and more, helping you keep your reef within safe, stable ranges. High-quality reagents ensure reliable test results, so you can confidently adjust dosing, water changes and filtration rather than guessing. Always follow storage and expiry guidance, and replace reagents regularly to keep your readings accurate and your marine system running smoothly.\u003c\/p\u003e","products":[{"product_id":"hanna-phosphate-hr-reagents-x-40","title":"Hanna Phosphate HR reagents x 40 HI-717-25","description":"\u003cp\u003eHanna Phosphate HR reagents x 40 HI-717-25\u003c\/p\u003e\n\u003cp\u003eThe Hanna Phosphate HR Reagents, referenced as HI-717-25, are a set of 40 high-range test packets, specifically developed for use with the Hanna HI-717 Phosphate Checker. These reagents enable accurate and reliable measurements of high levels of phosphate in water, an essential aspect in managing water quality in various applications such as aquariums, aquaculture, and environmental monitoring. Each individual packet contains a pre-measured amount of reagent, simplifying the testing process and ensuring consistency and precision in each analysis.\u003c\/p\u003e","brand":"Hanna","offers":[{"title":"Default Title","offer_id":41636726735021,"sku":"HANNA-45510","price":14.64,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0543\/0391\/6205\/products\/Hanna-Phosphate-reagents.png?v=1700139043"},{"product_id":"hanna-instruments-phosphorous-reagent-736-25-pack-of-25","title":"Hanna Instruments Phosphorous ULR Reagent 736-25 (Pack of 25)","description":"\u003cp\u003eThe Hanna Instruments Phosphorous ULR  Reagent 736-25, available in a pack of 25, is designed for precise phosphorous testing in various water samples. These reagents are compatible with Hanna's advanced colourimeters, ensuring accurate and reliable phosphorous measurements. Each packet in the pack contains a pre-measured amount of reagent, simplifying the testing process and enhancing consistency in results. Regular use of these reagents is crucial for monitoring phosphorous levels, which is essential for water quality management in environmental studies, aquaculture, and agriculture. Their ease of use, combined with the reliability of Hanna Instruments' technology, makes them a valuable tool for professionals and enthusiasts who require precise phosphorous monitoring in their water analysis practices.\u003c\/p\u003e","brand":"Hanna","offers":[{"title":"Default Title","offer_id":41636728799405,"sku":"HANNA-45498","price":14.64,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0543\/0391\/6205\/products\/Hanna-Instruments-Phosphorous-Reagent.png?v=1700139060"},{"product_id":"hanna-marine-alkalinity-reagent-caco3-hi755-26","title":"Hanna Marine Alkalinity Reagent CaCO3 (HI755-26)","description":"\u003cp\u003eHanna Marine Alkalinity Reagent CaCO3 (HI755-26) x 25\u003c\/p\u003e\n\u003cp\u003eThe Hanna Marine Alkalinity Reagent CaCO3 (HI755-26), available in a pack of 25, is formulated for use with the Hanna Marine Alkalinity Checker. These reagents are essential for accurately measuring the alkalinity levels in marine and reef aquariums, expressed as calcium carbonate (CaCO3). Each pre-measured reagent packet simplifies the testing process, ensuring consistent and reliable results for aquarium hobbyists and professionals monitoring water quality.\u003c\/p\u003e","brand":"Hanna","offers":[{"title":"Default Title","offer_id":41636732272813,"sku":"HANNA-45499","price":10.36,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0543\/0391\/6205\/products\/Hanna-Marine-Alkalinity-Reagent-CaCO3.png?v=1700139078"},{"product_id":"hanna-marine-phosphate-ulr-checker-hc-colorimeter-reagents","title":"Hanna Marine phosphate ULR Checker HC Colorimeter reagents HI-774-25","description":"\u003cp\u003eHanna Marine phosphate ULR Checker HC Colorimeter reagents HI-774-25\u003c\/p\u003e\n\u003cp\u003eThe Hanna Marine Phosphate ULR (Ultra Low Range) Checker HC Colorimeter Reagents, in a pack of 25, are designed for use with the Hanna Marine Phosphate ULR Checker HC. These reagents allow for precise and sensitive detection of ultra-low phosphate levels in marine environments, crucial for maintaining the health of coral reefs and other sensitive aquatic ecosystems. Each packet contains a pre-measured amount of reagent, ensuring accuracy and ease of use for aquarium enthusiasts and professionals in marine biology and aquaculture.\u003c\/p\u003e","brand":"Hanna","offers":[{"title":"Default Title","offer_id":41636734009517,"sku":"HANNA-45508","price":15.36,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0543\/0391\/6205\/products\/Hanna-Marine-phosphate-Checker-Colorimeter-reagents.png?v=1700139098"},{"product_id":"hanna-instruments-marine-calcium-reagent-758-26","title":"Hanna Instruments Marine Calcium Reagent HI-758-26","description":"\u003cp\u003eHanna Instruments Marine Calcium Reagent HI-758-26 x 25\u003c\/p\u003e\n\u003cp\u003eThe Hanna Instruments Marine Calcium Reagent HI-758-26 is a pack of 25 tests, formulated for use with the Hanna Marine Calcium Checker. Each packet contains a pre-measured amount of reagent required for accurate and reliable calcium concentration measurements in marine aquariums. This product is essential for maintaining optimal calcium levels, which are crucial for the health and growth of coral and other marine invertebrates.\u003c\/p\u003e","brand":"Hanna","offers":[{"title":"Default Title","offer_id":41636736630957,"sku":"HANNA-45495","price":40.8,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0543\/0391\/6205\/products\/Hanna-Instruments-Marine-Calcium-Reagent.png?v=1700139114"},{"product_id":"hanna-hi-781-25-marine-low-range-nitrate-reagents","title":"Hanna HI-781-25 Marine Low Range Nitrate reagents","description":"\u003cp\u003eThe Hanna HI-781-25 Marine Low Range Nitrate Reagents are a set of 25 pre-measured packets, designed specifically for use with the Hanna HI-781 Nitrate Checker. These reagents are crucial for accurately determining low-range nitrate levels in marine and aquarium environments, ensuring the health and balance of aquatic ecosystems. Each packet contains the precise amount of reagent needed for a single test, making the process convenient, efficient, and reliable for hobbyists, researchers, and marine professionals.\u003c\/p\u003e","brand":"Hanna","offers":[{"title":"Default Title","offer_id":41636738269357,"sku":"HANNA-45492","price":30.6,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0543\/0391\/6205\/files\/Hanna-Marine-Low-Range-Nitrate.webp?v=1700649002"},{"product_id":"hanna-marine-nitrate-hr-handheld-colorimeter-reagents-hi782-25","title":"Hanna Marine Nitrate HR handheld Colorimeter Reagents  (HI-782-25)","description":"\u003cp\u003eThe Hanna Marine Nitrate HR handheld Colorimeter Reagents, HI-782-25, are specially formulated for use with the Hanna Marine Nitrate High Range Colourimeter. These reagents are essential for accurately measuring nitrate levels in marine aquariums. Each pack contains 25 tests, ensuring a long-lasting supply for regular monitoring. The reagents are pre-measured, making them easy and convenient to use, which helps to maintain the accuracy of the colorimeter readings. Ideal for aquarists who are keen on maintaining optimal water conditions, these reagents are crucial for detecting nitrate levels that could potentially harm marine life. Their reliability and precision make them an indispensable tool for anyone looking to ensure the health and well-being of their marine ecosystem.\u003c\/p\u003e","brand":"Hanna","offers":[{"title":"Default Title","offer_id":41636741578925,"sku":"HANNA-45506","price":23.55,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0543\/0391\/6205\/products\/Hanna-Marine-Nitrate-handheld-Colorimeter-Reagents.png?v=1700139133"},{"product_id":"xepta-abex-calibration-solution-5l","title":"Xepta aBex Calibration Solution 5L","description":"\u003cdiv class=\"container-fluid\" data-mce-fragment=\"1\"\u003e\n\u003cdiv class=\"row\" data-mce-fragment=\"1\"\u003e\n\u003cdiv class=\"col-lg-10 col-lg-offset-1\" data-mce-fragment=\"1\"\u003e\n\u003cdiv data-offset-top=\"120\" id=\"more-info\" data-mce-fragment=\"1\"\u003e\n\u003cdiv class=\"tab-content\" data-mce-fragment=\"1\"\u003e\n\u003cdiv class=\"tab-pane fade in active\" role=\"tabpanel\" id=\"details\" data-mce-fragment=\"1\"\u003e\n\u003cp data-mce-fragment=\"1\"\u003eCalibration solution for the Xepta aBex unit. 5L\u003cbr data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003eThe aBex runs 2 x reference solutions from this product one is a concentrated solution right out of the bottle and the secondary solution is this same concentrate mixed at a 50\/50 ratio with RO water.\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003e5000ml for 65 tests concentrate or if used as the secondary solution it will provide 130 tests when mixed with RO water.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Xepta","offers":[{"title":"Default Title","offer_id":41991118291117,"sku":"XEPTA-44742","price":19.5,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0543\/0391\/6205\/products\/Xepta-aBex-Calibration-Solution-5L.jpg?v=1700218623"},{"product_id":"xepta-auto-balance-reagent-5l","title":"Xepta Auto Balance Reagent 5l","description":"\u003cp\u003eXepta Auto Balance Reagent 5 Litre-Introducing the Xepta Auto Balance Reagent in a generous 5-liter size, a revolutionary solution for maintaining optimal water quality in your aquarium. This reagent is designed to automatically balance and stabilise key parameters, ensuring a healthy and thriving aquatic environment. With advanced formulation and user-friendly application, the Xepta Auto Balance Reagent simplifies water management for both beginners and experienced aquarists. Elevate your aquarium experience with this 5-liter powerhouse—an essential tool that takes the guesswork out of maintaining pristine water conditions in your underwater haven.\u003c\/p\u003e","brand":"Xepta","offers":[{"title":"Default Title","offer_id":41991126253741,"sku":"XEPTA-44743","price":34.5,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0543\/0391\/6205\/products\/Xepta-Auto-Balance-Reagent.jpg?v=1700218642"},{"product_id":"neptune-systems-trident-reagents-2-month-supply","title":"Neptune Systems Trident Reagents - 2 Month Supply","description":"\u003cspan data-mce-fragment=\"1\"\u003eNeptune System's Replacement Reagent Kit comes with everything you need to change out the reagents for the Trident Marine Water Analyzing System. Each kit comes with new bottles that can be placed directly into the Trident's reagent holder and only takes a few minutes to exchange the old for the new. \u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eAmount of Tests: Based on the default testing schedule of 4x alkalinity, 2x calcium, and 2x magnesium tests per day, the reagent kit will last approximately 2-months before a new reagent is required.\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003e240x Alkalinity Tests (reagent changed every month) \u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e120x Calcium Tests (reagent changed every 2-month) 120x Magnesium Tests (reagent changed every 2-month) \u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003eNote: Neptune Systems recommends keeping on hand no more Trident reagent than you might expect to consume within the next 12 months. \u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e","brand":"Neptune Systems","offers":[{"title":"Default Title","offer_id":42109664985261,"sku":"NEPTSYS-42284","price":56.99,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0543\/0391\/6205\/products\/Neptune-Systems-Trident-Reagents.webp?v=1700220562"},{"product_id":"hanna-instruments-marine-ammonia-hi784-25-reagents-25-tests","title":"Hanna Instruments Marine Ammonia HI784-25 Reagents","description":"\u003cp\u003eThe Hanna HI-784-25 Marine Ammonia Reagents are specifically designed for use with the Hanna HI-784 Checker, ensuring accurate and reliable ammonia testing in marine environments. This package contains enough reagents for 25 tests, making it convenient for regular monitoring of ammonia levels in aquariums or marine research applications. The reagents are easy to use, providing a straightforward and efficient method for assessing ammonia concentrations, critical for maintaining healthy aquatic conditions.\u003c\/p\u003e","brand":"Aqua Group","offers":[{"title":"Default Title","offer_id":42126202667181,"sku":"HANNA-46478","price":24.24,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0543\/0391\/6205\/products\/Hanna-Instruments-Marine-Ammonia.webp?v=1700220915"},{"product_id":"hanna-instruments-marine-ph-reagents-100-tests","title":"Hanna Instruments Marine pH Reagents - 100 Tests","description":"\u003cspan data-mce-fragment=\"1\"\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. Contains approximately 100 tests.\u003c\/span\u003e","brand":"Hanna","offers":[{"title":"Default Title","offer_id":42356126187693,"sku":"HANNA-45497","price":30.6,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0543\/0391\/6205\/files\/Hanna-Instruments-Marine-pH-Reagents.webp?v=1700243040"},{"product_id":"neptunes-ph-calibration-fluid","title":"Neptune pH 7.00 Calibration Fluid","description":"\u003cmeta charset=\"utf-8\"\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eThe pH 7.00 Calibration Fluid by Neptune Systems is a specialised solution designed to calibrate pH probes, ensuring accurate readings in your monitoring devices. This single-use calibration packet simplifies the calibration process — just tear open the top and insert your probe into the solution. Regular calibration of pH probes is essential as they can deviate from accurate readings over time. This fluid is particularly suitable for calibrating probes used in low-pH applications, like calcium reactors, and is also recommended for saltwater aquariums. For standard pH probes, calibration every 3 months is advised, while double junction pH probes may require calibration every 6 months. Each pack contains one 7.00 pH single-use calibration packet, perfect for maintaining the reliability of your pH monitoring system.\u003c\/span\u003e\u003cbr\u003e","brand":"Neptune Systems","offers":[{"title":"Default Title","offer_id":42357614510253,"sku":"NEPTSYS-37438","price":4.49,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0543\/0391\/6205\/files\/Calibration-Solution.webp?v=1700243081"},{"product_id":"neptune-systems-probe-calibration-kit","title":"Neptune Systems Probe Calibration Kit","description":"\u003cspan data-mce-fragment=\"1\"\u003eOver the course of a few months, it is common for probes to drift and they should be recalibrated when that occurs. The Neptune Systems Probe Calibration Kit includes everything you need to calibrate your pH probe and salinity probe for reef tank conditions. The single-use packets make calibration procedures easy and only requires clean water to rinse the probe between calibrations. Neptune Systems uses only quality ingredients when producing their calibration solutions ensuring accuracy.\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eIncludes: Calibration 7 \u0026amp; 10 and Salinity Calibration Solution\u003c\/span\u003e","brand":"Neptune Systems","offers":[{"title":"Default Title","offer_id":42390831956141,"sku":"NEPTSYS-37410","price":10.99,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0543\/0391\/6205\/files\/Neptune-Systems-Probe-Calibration-Kit.webp?v=1700304061"},{"product_id":"hanna-instruments-marine-magnesium-reagents-hi-783-25-25-tests","title":"Hanna Instruments Marine Magnesium Reagents HI-783-25 - 25 Tests","description":"\u003cp\u003e\u003cspan data-mce-fragment=\"1\"\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\n\u003cp\u003e\u003cspan data-mce-fragment=\"1\"\u003eThe Hanna Instruments Marine Magnesium Reagents HI-783-25 package includes 25 individual tests, specifically designed for use with the Hanna Marine Magnesium Checker. These reagents enable precise and reliable measurements of magnesium levels in marine environments, a critical parameter for maintaining the health and balance of coral reef aquariums. Each pre-measured packet simplifies the testing process, ensuring accuracy and ease of use for aquarium hobbyists and professionals monitoring marine water quality.\u003c\/span\u003e\u003c\/p\u003e","brand":"Hanna","offers":[{"title":"Default Title","offer_id":42391033348269,"sku":"HANNA-45496","price":20.2,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0543\/0391\/6205\/files\/Hanna-Instruments-Marine-Magnesium-Reagents.webp?v=1700306411"},{"product_id":"hanna-instruments-marine-alkalinity-reagent-hi-772-26-for-dkh-checker","title":"Hanna Instruments Marine Alkalinity(dKH) Reagent HI-772-26","description":"\u003cspan data-mce-fragment=\"1\"\u003eHI-772-26 Hanna Marine alkalinity, colourimetric method, Reagents for 25 tests\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eThe HI-772-26 are high-quality, pre-measured reagents that allow users to achieve fast and accurate measurements with their Marine Alkalinity Checker HC. These 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 of HI-772-26 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 dKH for the HI-772 Checker .\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003eThese reagents are designed to be used with samples that have an expected range of 0.0 to 20.0 dKH.\u003cbr data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003eMethod - Colorimetric\u003c\/span\u003e","brand":"Hanna","offers":[{"title":"Default Title","offer_id":42392666701997,"sku":"HANNA-45493","price":10.36,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0543\/0391\/6205\/files\/Hanna-Instruments-Marine-Alkalinity-Reagent.webp?v=1700307082"},{"product_id":"hanna-deionized-water-250ml","title":"Hanna Deionized Water 230ML","description":"\u003cp\u003e\u003cspan data-mce-fragment=\"1\"\u003eHI70436M Deionized water from Hanna Instruments. Utilised to obtain accurate measurement with the Hanna Calcium Checker. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-mce-fragment=\"1\"\u003eHanna Deionized Water, in a 230ml bottle, is a high-purity water specifically prepared for laboratory and testing purposes. It's commonly used for calibrating equipment, preparing solutions, or rinsing glassware in various scientific and research settings, ensuring accuracy and consistency in results. This product is especially useful for applications where the presence of ions could interfere with experimental outcomes, such as in chemical analysis or aquarium water testing.\u003c\/span\u003e\u003c\/p\u003e","brand":"Hanna","offers":[{"title":"Default Title","offer_id":42392669061293,"sku":"HANNA-45490","price":38.52,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0543\/0391\/6205\/files\/Hanna-Deionized-Water.jpg?v=1700307096"},{"product_id":"hanna-copper-high-range-checker-reagents-25-tests-hi-702-25","title":"Hanna Copper High Range Checker Reagents 25 Tests (HI-702-25)","description":"\u003cdiv\u003eHanna Copper High Range Checker Reagents 25 Tests (HI-702-25)\u003c\/div\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003ePre-made reagents for ease of use\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003ePrepared with high-purity chemicals\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eMarked with expiration date and lot number for traceability\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-mce-fragment=\"1\"\u003eThe HI-702-25 are high-quality reagents that are pre-measured, allowing users to achieve fast and accurate measurements with their Copper High-Range Checker HC. These reagents follow the Bicinchoninate Method in which the reaction between copper and the reagent causes a purple tint in the sample. By simply adding the packet of HI-702-25 reagent to the sample, the reaction will take place and the HI-702 will determine the concentration from the colour that is produced. The results will be displayed in ppm of copper. These reagents are designed to be used with samples that have an expected range of 0.00 to 5.00 ppm copper.\u003c\/p\u003e","brand":"Hanna","offers":[{"title":"Default Title","offer_id":42599230144685,"sku":"HANNA-45488","price":17.52,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0543\/0391\/6205\/files\/Hanna-Copper-High-Range-Checker-Reagents-25-Tests-_HI-702-25.jpg?v=1703154320"},{"product_id":"anna-instruments-marine-ammonia-hi784-25-reagents-25-tests","title":"Hanna Instruments Marine Ammonia HI784-25 Reagents - 25 Tests","description":"\u003cp\u003eThe Hanna Instruments Marine Ammonia HI784-25 Reagents are specifically designed for accurate ammonia testing in marine environments. This package contains 25 tests, ideal for aquarists who regularly monitor ammonia levels in their aquariums. These reagents are compatible with the Hanna Instruments Marine Ammonia Colourimeter, ensuring precise and reliable readings. The pre-measured packets offer convenience and ease of use, contributing to consistent test results. Regular testing with these reagents is crucial for maintaining a healthy aquatic ecosystem, as ammonia is a key indicator of water quality and can be harmful to marine life at high levels. Their high-quality composition and user-friendly design make them an essential tool for any marine aquarium enthusiast dedicated to the care and well-being of their aquatic inhabitants.\u003c\/p\u003e","brand":"Hanna","offers":[{"title":"Default Title","offer_id":42599253868717,"sku":"HANNA-45494","price":24.24,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0543\/0391\/6205\/files\/Hanna-Instruments-Marine-Ammonia-HI784-25-Reagents-25-Tests.webp?v=1703155094"},{"product_id":"hi-755-11-calibration-check-set-for-marine-alkalinity-checker-hi-755","title":"HI-755-11 Calibration Check Set For Marine Alkalinity Checker-HI-755","description":"\u003cspan data-mce-fragment=\"1\"\u003eHanna  HI-755-11 Calibration Check Set For Marine Alkalinity Checker-HI-755 The Marine Alkalinity Checker HC Calibration Check Set – HI-755-11 provides a simple solution to validating the Marine Alkalinity Checker HC – HI-755 that has a range of 0 to 300 ppm CaCO\u003c\/span\u003e\u003csub data-mce-fragment=\"1\"\u003e3\u003c\/sub\u003e\u003cspan data-mce-fragment=\"1\"\u003e.\u003c\/span\u003e","brand":"Hanna","offers":[{"title":"Default Title","offer_id":42599278084269,"sku":"HANNA-45515","price":35.64,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0543\/0391\/6205\/files\/HI-755-11-Calibration-Check-Set-For-Marine-Alkalinity-Checker-HI-755.jpg?v=1703156977"},{"product_id":"hi-772-11-calibration-checking-set-for-the-hi-772-marine-alkalinity-checker","title":"HI-772-11 Calibration Checking Set For The HI-772 Marine Alkalinity Checker","description":"\u003cspan data-mce-fragment=\"1\"\u003eHanna HI-772-11 Calibration Checking Set For The HI-772 Marine Alkalinity Checker The HI-772-11 is a calibration checking set for use with the HI-772 Marine Alkalinity checker. The Marine Alkalinity (dKH) Checker HC Calibration Check Set – HI-772-11 provides a simple solution to validating the Marine Alkalinity Checker HC – HI-772 that has a range of 0.0 to 20.0 dKH.\u003c\/span\u003e","brand":"Hanna","offers":[{"title":"Default Title","offer_id":42599279100077,"sku":"HANNA-45518","price":35.64,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0543\/0391\/6205\/files\/hi-772-11-calibration-checking-set-for-the-hi-772-marine-alkalinity-checker.jpg?v=1703157238"},{"product_id":"hanna-phosphorus-ultra-low-range-reagents-for-25-tests-hi-736-25","title":"Hanna Phosphorus Ultra Low Range Reagents For 25 Tests - HI-736-25","description":"\u003cspan data-mce-fragment=\"1\"\u003eThe HI-736-25 are high-quality reagents that are pre-measured, allowing for users to achieve fast and accurate measurements with their Phosphorus Ultra Low Range Checker® HC. These reagents follow the Ascorbic Acid Method in which the reaction between phosphorus and reagents causes a blue tint in the sample. By simply adding the packet of HI-736-25 reagent to the sample, the reaction will take place and the HI-736 will determine the concentration from the colour that is produced. The results will be displayed in ppb of phosphorus. These reagents are designed to be used with samples that have an expected range of 0 to 200 ppb phosphorus.\u003c\/span\u003e","brand":"Hanna","offers":[{"title":"Default Title","offer_id":43021923877037,"sku":"HANNA-45511","price":14.0,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0543\/0391\/6205\/files\/Hanna-Phosphorus-Ultra-Low-Range-Reagents-For-25-Tests-HI-736-25.jpg?v=1712667034"},{"product_id":"hi-764-25-reagents-for-hi-764-nitrite-marine-ulr-pocket-checker","title":"HI-764-25 Reagents for HI-764 Nitrite Marine ULR Pocket Checker","description":"\u003cp\u003eThese high-quality reagents are clearly marked with the lot number and expiry date on each packet for traceability.\u003c\/p\u003e\n\u003cp\u003eThe HI-764-25 are high quality reagents that are pre-measured, allowing for users to achieve fast and accurate measurements with their Nitrite Ultra Low Range Checker® HC. These reagents follow the Diazotization Method in which the reaction between nitrite and reagent causes a pink tint in the sample. By simply adding the packet of HI-764-25 reagent to the sample, the reaction will take place and the HI-764 will determine the concentration from the colour that is produced. The results will be displayed in ppb of nitrite. These reagents are designed to be used with samples that have an expected range of 0 to 200 ppb nitrite.\u003c\/p\u003e","brand":"Hanna","offers":[{"title":"Default Title","offer_id":43821419856045,"sku":"HANNA-45516","price":11.94,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0543\/0391\/6205\/files\/HI-764-25-Reagents-for-HI-764-Nitrite-Marine-ULR-Pocket-Checker.jpg?v=1728394767"},{"product_id":"hi-70024p-hanna-salinity-standard-35-00ppt-20ml-sachet","title":"Hanna Salinity Standard 35.00ppt 20ml Sachet-HI-70024P","description":"\u003cp\u003eHI-70024P is a premium quality 35.00 ppt marine salinity solution standardised with a conductivity meter that has been calibrated with potassium chloride NIST 2202 SRM (Standard Reference Material) in deionised water for analytical use in accordance with ISO 3696\/BS3978. Additional equipment used in preparation of the solutions include certified weight-checked balances, Class A glassware and certified thermometers.\u003c\/p\u003e\n\u003cp\u003eCalibration fluid designed to re calibrate your Hanna HI-98319 Waterproof Salinity Tester\u003c\/p\u003e","brand":"Hanna","offers":[{"title":"Default Title","offer_id":43959115481261,"sku":"HANNA-45513","price":1.59,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0543\/0391\/6205\/files\/Hanna-Salinity-Standard-35.00ppt-20ml-Sachet-HI-70024P.webp?v=1732722033"},{"product_id":"neptune-systems-trident-np-reagents-2-month-supply","title":"Neptune Systems Trident NP Reagents - 2 Month Supply","description":"\u003cp class=\"product__text inline-richtext caption-with-letter-spacing\"\u003eNeptune Systems Trident NP Reagents - 2 Month Supply\u003c\/p\u003e\n\u003cp\u003eKeep your Trident NP Nitrate and Phosphate Tester running smoothly by replacing your reagents on time. This kit is easy to use with clear instructions for hassle-free reagent changes. These reagents ensure consistent and reliable results, covering a two-month testing period with one nitrate and one phosphate test per day.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat's Included?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eCalibration Solution\u003c\/p\u003e\n\u003cp\u003eNP Reagent 1\u003c\/p\u003e\n\u003cp\u003eNP Reagent 2\u003c\/p\u003e\n\u003cp\u003eNP Reagent 3a\u003c\/p\u003e\n\u003cp\u003eNP Reagent 3b\u003c\/p\u003e\n\u003cp\u003eWaste Neutraliser\u003c\/p\u003e","brand":"Neptune Systems","offers":[{"title":"Default Title","offer_id":43983552053421,"sku":"NEPTSYS-42295","price":62.99,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0543\/0391\/6205\/files\/Neptune-Systems-Trident-Reagents-2-Month-Supply.jpg?v=1733923682"},{"product_id":"neptune-systems-trident-reagents-6-month-supply","title":"Neptune Systems Trident Reagents - 6 Month Supply","description":"\u003cp\u003eNeptune System’s Replacement Reagent Kit comes with everything you need to change out the reagents for the Trident Marine Water Analyzing System. Each kit comes with new bottles that can be placed directly into the Trident’s reagent holder and only takes a few minutes to exchange the old for the new.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAmount of Tests:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIncludes three 2-Month Trident Reagent Kits!\u003c\/p\u003e\n\u003cp\u003eBased on the default testing schedule of 4x alkalinity, 2x calcium, and 2x magnesium tests per day, each reagent kit will last approximately 2-months before a new reagent is required.\u003c\/p\u003e\n\u003cp\u003e720x Alkalinity Tests \u003cem\u003e(reagent changed every month)\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e360x Calcium Tests \u003cem\u003e(reagent changed every 2-month)\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e360x Magnesium Tests \u003cem\u003e(reagent changed every 2-month)\u003c\/em\u003e\u003c\/p\u003e","brand":"Neptune Systems","offers":[{"title":"Default Title","offer_id":44298517381293,"sku":"NEPTSYS-45542","price":125.99,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0543\/0391\/6205\/files\/Neptune-Systems-Trident-Reagents-6-Month-Supply.webp?v=1742813880"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0543\/0391\/6205\/collections\/Marine_Reagents.png?v=1770907423","url":"https:\/\/aquagroup.co.uk\/collections\/marine-reagents.oembed","provider":"Aqua Group","version":"1.0","type":"link"}