{"title":"Testing my parameters","description":"\u003cp\u003eGet to know what’s happening in your water. Explore aquarium test kits, digital checkers and calibration solutions to track key parameters and make informed adjustments. Whether you’re checking a new tank’s cycle or keeping your reef stable, find testing options that work for you.\u003c\/p\u003e","products":[{"product_id":"nyos-carbonate-hardness-kh-alk-reefer-aquarium-test-kit","title":"Nyos Carbonate Hardness (KH\/Alk) Test Kit","description":"\u003cp\u003e\u003cstrong\u003eWhat It Is\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThe Nyos Carbonate Hardness (KH\/Alk) Test Kit is a high-precision titration test designed to measure alkalinity in marine aquariums. Alkalinity is one of the most important parameters in reef keeping, influencing coral growth, stability and overall system health.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhy We Like It\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eIf we could only recommend one test kit to a reefkeeper keeping stony corals, alkalinity would be very close to the top of the list. Corals consume alkalinity continuously as they grow, and changes in KH are often seen long before issues appear in calcium or magnesium levels.\u003c\/p\u003e\n\n\u003cp\u003eRegular alkalinity testing allows dosing to be adjusted before problems develop, helping maintain the stability that successful reef aquariums depend on. Whether you're using water changes alone, an all-in-one supplement, a two-part system or a full dosing programme, alkalinity is usually the parameter you'll test most often.\u003c\/p\u003e\n\n\u003cp\u003eThe Nyos KH test is known for its straightforward procedure, clear colour change and excellent resolution, making it a popular choice for routine reef maintenance.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eKey Details\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eMeasures alkalinity (KH\/dKH) in marine aquariums\u003c\/li\u003e\n\u003cli\u003eOne of the most important parameters for reef keeping\u003c\/li\u003e\n\u003cli\u003eHigh-precision titration test\u003c\/li\u003e\n\u003cli\u003eClear and easy-to-read endpoint\u003c\/li\u003e\n\u003cli\u003eIdeal for monitoring coral consumption\u003c\/li\u003e\n\u003cli\u003eSuitable for all-in-one, two-part and multi-part dosing systems\u003c\/li\u003e\n\u003cli\u003eExcellent for routine reef aquarium maintenance\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"The Happy Reef","offers":[{"title":"Default Title","offer_id":52478993006928,"sku":"H416086","price":11.99,"currency_code":"GBP","in_stock":true}]},{"product_id":"nyos-magnesium-mg-reefer-aquarium-test-kit","title":"Nyos Magnesium (MG) Test Kit","description":"\u003cp\u003e\u003cstrong\u003eWhat It Is\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThe Nyos Magnesium (Mg) Test Kit is a high-precision titration test designed to measure magnesium levels in marine aquariums. Magnesium is one of the three major elements consumed in reef aquariums alongside calcium and alkalinity, playing an important role in maintaining overall chemical stability.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhy We Like It\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eMagnesium is often overlooked because it changes much more slowly than alkalinity or calcium. However, when magnesium levels drift too far from their target range, maintaining stable calcium and alkalinity can become more difficult.\u003c\/p\u003e\n\n\u003cp\u003eWhilst most reefkeepers test alkalinity weekly or even daily, magnesium is often checked monthly or when diagnosing an issue with dosing or parameter stability. It remains one of the core parameters we recommend monitoring in any reef aquarium containing stony corals.\u003c\/p\u003e\n\n\u003cp\u003eThe Nyos Magnesium Test Kit provides accurate, repeatable results and is particularly useful when setting up a dosing regime or troubleshooting an established reef system.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eKey Details\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eMeasures magnesium levels in marine aquariums\u003c\/li\u003e\n\u003cli\u003eHigh-precision titration test\u003c\/li\u003e\n\u003cli\u003eSuitable for mixed reefs, LPS and SPS systems\u003c\/li\u003e\n\u003cli\u003eHelps monitor one of the three major reef elements\u003c\/li\u003e\n\u003cli\u003eUseful when setting up or adjusting dosing programmes\u003c\/li\u003e\n\u003cli\u003eSupports long-term reef stability\u003c\/li\u003e\n\u003cli\u003eIdeal for routine reef aquarium maintenance\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"The Happy Reef","offers":[{"title":"Default Title","offer_id":52478993072464,"sku":"4260246921262","price":17.99,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0921\/9552\/0848\/files\/original_32637246-c140-425c-9d8b-5920791b87c2.jpg?v=1784040904"},{"product_id":"nyos-nitrate-no3-reefer-aquarium-test-kit","title":"Nyos Nitrate (No3) Test Kit","description":"\u003cp\u003e\u003cstrong\u003eWhat It Is\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThe Nyos Nitrate (NO3) Test Kit is a high-sensitivity test designed to measure nitrate levels in marine aquariums. Nitrate is one of the key nutrients in a reef system and understanding where it sits is essential for maintaining healthy fish, corals and overall system stability.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhy We Like It\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eReef keeping has moved a long way from the days of trying to achieve zero nitrate at all costs. Today, most successful reef aquariums maintain a measurable level of nitrate, with the ideal level varying depending on the livestock being kept.\u003c\/p\u003e\n\n\u003cp\u003eWhether you're trying to reduce elevated nutrients, maintain a balanced reef, or diagnose pale corals caused by nutrient starvation, nitrate testing is one of the most useful tools available. Combined with phosphate testing, it provides a much clearer picture of how nutrients are behaving within the aquarium.\u003c\/p\u003e\n\n\u003cp\u003eThe Nyos Nitrate Test Kit offers excellent resolution in the ranges most reefkeepers care about, making it particularly useful for modern reef systems where small changes can make a significant difference.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eKey Details\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eMeasures nitrate (NO3) levels in marine aquariums\u003c\/li\u003e\n\u003cli\u003eSuitable for fish-only, mixed reef, LPS and SPS systems\u003c\/li\u003e\n\u003cli\u003eHigh sensitivity in reef-relevant ranges\u003c\/li\u003e\n\u003cli\u003eUseful for nutrient management and troubleshooting\u003c\/li\u003e\n\u003cli\u003eHelps identify both nutrient excess and nutrient deficiency\u003c\/li\u003e\n\u003cli\u003eComplements phosphate testing for a fuller picture of nutrient balance\u003c\/li\u003e\n\u003cli\u003eSuitable for routine reef aquarium maintenance\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"The Happy Reef","offers":[{"title":"Default Title","offer_id":52478993138000,"sku":"7948181","price":21.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0921\/9552\/0848\/files\/original_4787b3ce-3091-4f6d-83c7-1c4c9dbf04f8.jpg?v=1784036587"},{"product_id":"nyos-calcium-ca-reefer-aquarium-test-kit-b017877csa","title":"Nyos Calcium (Ca) Test Kit","description":"\u003cp\u003e\u003cstrong\u003eWhat It Is\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThe Nyos Calcium (Ca) Test Kit is a high-precision titration test designed to measure calcium levels in marine aquariums. Calcium is one of the major building blocks used by corals, coralline algae and other calcifying organisms, making regular testing an essential part of reef aquarium maintenance.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhy We Like It\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eIf alkalinity tells you how a reef is performing today, calcium helps tell you how it will perform tomorrow. As corals grow, calcium is continuously consumed and must be replenished to maintain healthy skeletal development.\u003c\/p\u003e\n\n\u003cp\u003eFor reefkeepers running water changes alone, all-in-one supplements, two-part systems or full dosing regimes, regular calcium testing helps ensure consumption is being matched correctly. It is one of the core tests we recommend for anyone keeping stony corals.\u003c\/p\u003e\n\n\u003cp\u003eThe Nyos test kit offers a straightforward testing process and clear results, making it suitable for both new and experienced reefkeepers.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eKey Details\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eMeasures calcium levels in marine aquariums\u003c\/li\u003e\n\u003cli\u003eSuitable for mixed reefs, LPS and SPS systems\u003c\/li\u003e\n\u003cli\u003eHigh-precision titration test\u003c\/li\u003e\n\u003cli\u003eEasy-to-read colour change endpoint\u003c\/li\u003e\n\u003cli\u003eHelps monitor coral calcium consumption\u003c\/li\u003e\n\u003cli\u003eUseful for all-in-one, two-part and multi-part dosing systems\u003c\/li\u003e\n\u003cli\u003eSuitable for routine reef aquarium maintenance\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"The Happy Reef","offers":[{"title":"Default Title","offer_id":52478993203536,"sku":"V009648","price":17.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0921\/9552\/0848\/files\/original_91a6d7c9-5942-40db-8fee-f64583533a4a.jpg?v=1784040548"},{"product_id":"nyos-phosphate-po4-reefer-aquarium-test-kit","title":"Nyos Phosphate (PO4) Test Kit","description":"\u003cp\u003e\u003cstrong\u003eWhat It Is\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThe Nyos Phosphate (PO4) Test Kit is a high-sensitivity test designed to measure phosphate levels in marine aquariums. Phosphate is one of the key nutrients in any reef system and plays an important role in coral health, growth and overall nutrient balance.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhy We Like It\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eFew parameters have changed as much in reef keeping as phosphate. Once viewed purely as something to eliminate, it is now widely recognised as an essential nutrient that corals require alongside nitrate.\u003c\/p\u003e\n\n\u003cp\u003eThe challenge is finding the right balance. Too much phosphate can contribute to nuisance algae and inhibit coral growth, whilst too little can leave corals pale, reduce growth rates and create an unstable nutrient environment. Regular testing helps avoid both extremes.\u003c\/p\u003e\n\n\u003cp\u003eWe consider phosphate and nitrate testing to be natural partners. Looking at either number in isolation only tells part of the story, whereas understanding both together provides a far clearer picture of what is happening within the aquarium.\u003c\/p\u003e\n\n\u003cp\u003eThe Nyos Phosphate Test Kit is designed to provide good resolution in the low ranges reefkeepers typically target, making it particularly useful for modern reef aquariums.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eKey Details\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eMeasures phosphate (PO4) levels in marine aquariums\u003c\/li\u003e\n\u003cli\u003eHigh sensitivity in reef-relevant ranges\u003c\/li\u003e\n\u003cli\u003eSuitable for fish-only, mixed reef, LPS and SPS systems\u003c\/li\u003e\n\u003cli\u003eUseful for nutrient management and troubleshooting\u003c\/li\u003e\n\u003cli\u003eHelps identify both elevated and depleted phosphate levels\u003c\/li\u003e\n\u003cli\u003eComplements nitrate testing for a fuller understanding of nutrient balance\u003c\/li\u003e\n\u003cli\u003eSuitable for routine reef aquarium maintenance\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"The Happy Reef","offers":[{"title":"Default Title","offer_id":52478993301840,"sku":"A777230","price":21.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0921\/9552\/0848\/files\/original_5825862f-fccf-4acc-9bce-ab32f25bc4d1.jpg?v=1784041096"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0921\/9552\/0848\/collections\/images_8e18ca43-b0d5-41d7-9c40-4a30656f6bfe.jpg?v=1792101398","url":"https:\/\/www.thehappyreef.com\/collections\/aquarium-water-testing.oembed","provider":"The Happy Reef","version":"1.0","type":"link"}