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phosphate tests are essential for the accurate dosing of Red Sea’s NO3: PO4– X (biological nitrate \u0026amp; phosphate reducer) which is part of the complete Red Sea Reef Care Program.\u003c\/p\u003e\u003cp\u003e \u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eTest Kit Specifications:\u003c\/strong\u003e\u003c\/p\u003e\u003ctable style=\"border-collapse: collapse; width: 100%;\" border=\"1\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 16.6667%; text-align: center;\"\u003e\u003cstrong\u003eTest Name\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 16.6667%; text-align: center;\"\u003e\u003cstrong\u003eElement\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 16.6667%; text-align: center;\"\u003e\u003cstrong\u003eAccuracy\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 16.6667%; text-align: center;\"\u003e\u003cstrong\u003eRange\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 16.6667%; text-align: center;\"\u003e\u003cstrong\u003eTest Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 16.5485%; 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width: 100%;\" border=\"1\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 16.6667%; text-align: center;\"\u003e\u003cdiv class=\"tableDesign\"\u003e\u003cstrong\u003eTest Name\u003c\/strong\u003e\u003c\/div\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 16.6667%; text-align: center;\"\u003e\u003cdiv class=\"tableDesign\"\u003e\u003cstrong\u003eElement\u003c\/strong\u003e\u003c\/div\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 16.6667%; text-align: center;\"\u003e\u003cdiv class=\"tableDesign\"\u003e\u003cstrong\u003eAccuracy\u003c\/strong\u003e\u003c\/div\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 16.6667%; text-align: center;\"\u003e\u003cdiv class=\"tableDesign\"\u003e\u003cstrong\u003eRange\u003c\/strong\u003e\u003c\/div\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 16.6667%; text-align: center;\"\u003e\u003cdiv class=\"tableDesign\"\u003e\u003cstrong\u003eTest Type\u003c\/strong\u003e\u003c\/div\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 16.5485%; text-align: center;\"\u003e\u003cdiv class=\"tableDesign\"\u003e\u003cstrong\u003eNo. of test\u003c\/strong\u003e\u003c\/div\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 16.6667%; text-align: center;\"\u003e\u003cdiv class=\"tableDesign\"\u003eAmmonia\u003c\/div\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 16.6667%; text-align: center;\"\u003e\u003cdiv class=\"tableDesign\"\u003eNH\u003csub\u003e3\u003c\/sub\u003e\/NH\u003csub\u003e4\u003c\/sub\u003e\n\u003c\/div\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 16.6667%; text-align: center;\"\u003e\u003cdiv class=\"tableDesign\"\u003e0.2 ppm\u003c\/div\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 16.6667%; text-align: center;\"\u003e\u003cdiv class=\"tableDesign\"\u003e0-2 ppm\u003c\/div\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 16.6667%; text-align: center;\"\u003e\u003cdiv class=\"tableDesign\"\u003eColorimetric\u003c\/div\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 16.5485%; text-align: center;\"\u003e\u003cdiv class=\"tableDesign\"\u003e100\u003c\/div\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 16.6667%; text-align: center;\"\u003e\u003cdiv class=\"tableDesign\"\u003eNitrate\u003c\/div\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 16.6667%; text-align: center;\"\u003e\u003cdiv class=\"tableDesign\"\u003eNO\u003csub\u003e3\u003c\/sub\u003e\n\u003c\/div\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 16.6667%; text-align: center;\"\u003e\u003cdiv class=\"tableDesign\"\u003e2 ppm\u003c\/div\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 16.6667%; text-align: center;\"\u003e\u003cdiv class=\"tableDesign\"\u003e0-250 ppm\u003c\/div\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 16.6667%; text-align: center;\"\u003e\u003cdiv class=\"tableDesign\"\u003eColorimetric\u003c\/div\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 16.5485%; text-align: center;\"\u003e\u003cdiv class=\"tableDesign\"\u003e50\u003c\/div\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 16.6667%; text-align: center;\"\u003e\u003cdiv class=\"tableDesign\"\u003eNitrite\u003c\/div\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 16.6667%; text-align: center;\"\u003e\u003cdiv class=\"tableDesign\"\u003eNO\u003csub\u003e2\u003c\/sub\u003e\n\u003c\/div\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 16.6667%; text-align: center;\"\u003e\u003cdiv class=\"tableDesign\"\u003e0.05 ppm\u003c\/div\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 16.6667%; text-align: center;\"\u003e\u003cdiv class=\"tableDesign\"\u003e0-1 ppm\u003c\/div\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 16.6667%; text-align: center;\"\u003e\u003cdiv class=\"tableDesign\"\u003eColorimetric\u003c\/div\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 16.5485%; text-align: center;\"\u003e\u003cdiv class=\"tableDesign\"\u003e50\u003c\/div\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 16.6667%; text-align: center;\"\u003e\u003cdiv class=\"tableDesign\"\u003epH\u003c\/div\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 16.6667%; text-align: center;\"\u003e\u003cdiv class=\"tableDesign\"\u003epH\u003c\/div\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 16.6667%; text-align: center;\"\u003e\u003cdiv class=\"tableDesign\"\u003e0.2 ppm\u003c\/div\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 16.6667%; 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A too high nitrate concentration can result in unwanted algae-growth and these might irritate corals in their neighborhood.\u003c\/p\u003e\u003cp\u003eNitrate as such also retards coral growth. The nitrate concentration in a proper functioning reef aquarium should preferably be lower than 1 mg\/L. Fish-only aquariums would usually show much higher nitrate concentrations. Most test kits use a procedure in which a certain part of nitrate is converted chemically into nitrite and is measured as such.\u003c\/p\u003e\u003cp\u003eOnce again, just as with nitrite testing, amine interference has a major impact on the measured value. If such an interference occurs concentrations much lower than actual will be measured. Many nitrate test kits are prone to amine interference. This can give results much lower than actual. The Salifert nitrate test does not suffer from such an amine interference. The very special ingredients allow a very fast and precise measurement.\u003c\/p\u003e\u003cp\u003eThe range spans from very low to a very high nitrate concentration (approx. 0.05 – 20 mg\/L as Nitrate-Nitrogen or 0.2 – 100 mg\/L as nitrate ion).\u003c\/p\u003e\u003cp\u003eThe kit can perform approx. 60 measurements.\u003c\/p\u003e","brand":"Salifert","offers":[{"title":"Default Title","offer_id":57074453086591,"sku":"733006","price":10.79,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0963\/5420\/6079\/files\/salifert_nitrate_test_kit_1.jpg?v=1772674841"},{"product_id":"salifert-silicate-profitest-kit","title":"Salifert Silicate ProfiTest Kit","description":"\u003cp\u003eSilicate occurs especially in tap water or in purified water when the RO or DI unit is not functioning properly. Silicate not only results in diatom bloom but might also block some essential trace elements such as vanadium and molybdenum.\u003c\/p\u003e\u003cp\u003eSilicate content can be decreased by using the granular Phosphate-Killer or the liquid Phosphate-Eliminator. Although both are designed for phosphate removal they have also a very high affinity for silicate.\u003c\/p\u003e","brand":"Salifert","offers":[{"title":"Default Title","offer_id":57074459443583,"sku":"733012","price":11.69,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0963\/5420\/6079\/files\/salifert_silicate_test_kit.jpg?v=1772674985"},{"product_id":"salifert-ammonia-profitest-kit","title":"Salifert Ammonia ProfiTest Kit","description":"\u003cp\u003eAmmonia and ammonium are substances which should be converted rapidly into nitrite followed by nitrate and nitrogen gas.\u003c\/p\u003e\u003cp\u003eIf this does not happen then the aquarium is not fully cycled or biological processes are not proceeding as they should.\u003c\/p\u003e","brand":"Salifert","offers":[{"title":"Default Title","offer_id":57074459640191,"sku":"733015","price":9.89,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0963\/5420\/6079\/files\/salifert_ammonia_test_kit.jpg?v=1772674990"},{"product_id":"tropic-marin-compact-lab-test-kit-marine","title":"Tropic Marin Compact Lab Test Kit Marine","description":"\u003cp\u003eFor determining the essential water values in seawater aquariums.\u003c\/p\u003e\u003cp\u003eThe inset of the reagent bottles are color-coded and can also be used outside the carton for clear storage. For rapid and safe execution, the instructions of use also include an illustrated quick start guide for each parameter.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eBenefits:\u003c\/strong\u003e\u003c\/p\u003e\u003cul style=\"list-style-type: square;\"\u003e\n\u003cli\u003eTo determine the essential water values in seawater aquariums with one test set.\u003c\/li\u003e\n\u003cli\u003eWith pH-test for approx. 100 applications.\u003c\/li\u003e\n\u003cli\u003eWith KH\/alkalinity-test for approx. 100 applications.\u003c\/li\u003e\n\u003cli\u003eWith phosphate-test for approx. 50 applications.\u003c\/li\u003e\n\u003cli\u003eWith nitrite\/nitrate-test for approx. 50 applications.\u003c\/li\u003e\n\u003cli\u003eWith ammonium\/ammoniac-test for approx. 50 applications.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Tropic Marin","offers":[{"title":"Default Title","offer_id":57074462097791,"sku":"733016","price":49.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0963\/5420\/6079\/files\/tropic_marin_compact_lab_test_kit.png?v=1772675066"},{"product_id":"api-saltwater-master-test-kit","title":"API Saltwater Master Test Kit","description":"\u003cp\u003eTesting is fast, easy, and accurate, yielding precise results, and comes with 4 glass test tubes with snap-tight caps and a convenient holding tub for easy storage. This kit also includes a complete, step-by-step instructional booklet with a colour chart that provides information on how to correct unsafe water conditions. Each SALTWATER MASTER TEST KIT will conduct 550+ tests, so you can get the most out of your kit for years of fast, accurate water testing.\u003cbr\u003eWe recommend that you take a few minutes each week to monitor your aquarium conditions and create a better underwater world for your fish. Testing your aquarium water has never been so easy or accurate!\u003c\/p\u003e\u003cp\u003e \u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eContains:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e550 tests and includes 6 test solutions, easy-to-ready instructions, 4 glass test tubes and colour chart\u003c\/p\u003e","brand":"API","offers":[{"title":"Default Title","offer_id":57074497716607,"sku":"770048","price":25.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0963\/5420\/6079\/files\/api_saltwater_master_test_kit.jpg?v=1772675472"},{"product_id":"tropic-marin-ph-test-kit-saltwater","title":"Tropic Marin pH Test Kit – Saltwater","description":"\u003cp\u003eThe pH value or “degree of acidity” indicates how acidic or basic(alkaline) water is. Pure water is neutral and has a pH value of 7. If the acidic components outweigh the alkaline components, the pH value falls (pH \u0026lt; 7), if the alkaline components outweigh the acidic components, the pH value rises (pH \u0026gt;7). Many organisms are extremely sensitive to significant fluctuations in the pH value.\u003c\/p\u003e\u003cp\u003eIn saltwater aquariums, the optimum pH value range is between 8.0 and 8.5, as it is in the ocean. Significant fluctuations and overly sharp decreases or increases in the pH value should be avoided at all costs.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003ePackage Contents\u003c\/strong\u003e\u003c\/p\u003e\u003cul style=\"list-style-type: square;\"\u003e\n\u003cli\u003e10 ml \/ 0.34 fl.oz. of reagent pH\u003c\/li\u003e\n\u003cli\u003e1 glass cuvette 10 ml\u003c\/li\u003e\n\u003cli\u003e1 dosing syringe 5 ml\u003c\/li\u003e\n\u003cli\u003e1 colour card\u003c\/li\u003e\n\u003cli\u003e1 instructions for use.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eInstructions For Use\u003c\/strong\u003e\u003c\/p\u003e\u003col\u003e\n\u003cli\u003eShake the dropper bottle before use!\u003c\/li\u003e\n\u003cli\u003eRinse out the glass cuvette with tap water and then several times with aquarium water.\u003c\/li\u003e\n\u003cli\u003eFill the glass cuvette with exactly 5 ml of aquarium water using the dosing syringe.\u003c\/li\u003e\n\u003cli\u003eAdd 1 drop of pH test reagent, close the glass cuvette using the stopper and briefly shake the solution.\u003c\/li\u003e\n\u003cli\u003ePlace the glass cuvette on the white inner circles of the colour card and compare it to the surrounding colour fields. To do this, look into the open cuvette from above.\u003c\/li\u003e\n\u003cli\u003eRead off the measured pH value under the relevant colour field.\u003c\/li\u003e\n\u003cli\u003eRinse out the glass cuvette and the syringe thoroughly with tap water after the measurement process.\u003c\/li\u003e\n\u003c\/ol\u003e\u003cp\u003eShelf life and storage:\u003c\/p\u003e\u003cp\u003e6 months after opening. Store in a cool, dark place.\u003c\/p\u003e","brand":"Tropic Marin","offers":[{"title":"Default Title","offer_id":57074498240895,"sku":"733017","price":11.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0963\/5420\/6079\/files\/tropic_marin_saltwater_ph_test_kit_1.png?v=1772675533"},{"product_id":"tropic-marin-ammonia-ammonium-test-kit-freshwater-saltwater","title":"Tropic Marin Ammonia \/ Ammonium Test Kit – Freshwater\/Saltwater","description":"\u003cp\u003eAmmonium is the product of nitrogen mineralisation in which bonded nitrogen from food remains and excrement is converted to NH4+ by bacteria. Depending on the pH value, there is an equilibrium between ammonium ions NH4+ and ammonia NH3 in the water. If the pH value is less than 7, the largely harmless ammonium ions are dominant, while the presence of ammonia grows if the pH value is above 7.\u003c\/p\u003e\u003cp\u003eAmmonia is very dangerous as it impairs the breathing capability of living beings. It penetrates the cells easily, causing the pH value to rise and inhibiting vital functions. In a healthy and well-established tank, ammonium ions are quickly oxidised by nitrifying bacteria into nitrite and, in turn, into nitrate. If this chain of events is disrupted, the concentration of ammonium can suddenly rise.\u003c\/p\u003e\u003cp\u003eIn this test, the total concentration of ammonium \/ ammonia is measured. In freshwater applications, a total concentration of ammonium \/ ammonia of 0.1 mg\/l (ppm) is normal under standard conditions, although an upper limit of 0.5 mg\/l (ppm) should not be exceeded. In saltwater, the total concentration of ammonium \/ ammonia should be smaller than 0.05 mg\/l (ppm). However, the crucial point in this respect is the pure concentration of ammonia, which is dependent on the overall situation defined by the temperature, the pH value and the total concentration of ammonium \/ ammonia in the aquarium. After a measurement has been taken, the ammonia concentration in the water can be determined.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003ePackage Contents\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e20 ml \/ 0.68 fl.oz. of reagent A\u003c\/li\u003e\n\u003cli\u003e10 ml \/ 0.34 fl.oz. of reagent B\u003c\/li\u003e\n\u003cli\u003e10 ml \/ 0.34 fl.oz. of reagent C\u003c\/li\u003e\n\u003cli\u003e1 glass cuvette 10 ml\u003c\/li\u003e\n\u003cli\u003e1 dosing syringe 5 ml\u003c\/li\u003e\n\u003cli\u003e1 measuring spoon\u003c\/li\u003e\n\u003cli\u003e2 colour cards\u003c\/li\u003e\n\u003cli\u003eInstructions for use\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eInstructions For Use\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eDetermining the total concentration of ammonium\/ammonia:\u003c\/p\u003e\u003col\u003e\n\u003cli\u003eShake the dropper bottles before use!\u003c\/li\u003e\n\u003cli\u003eRinse out the glass cuvette with tap water and then several times with aquarium water.\u003c\/li\u003e\n\u003cli\u003eFill the glass cuvette with exactly 5 ml of aquarium water using the dosing syringe.\u003c\/li\u003e\n\u003cli\u003eNow add 10 drops of test reagent A to the water sample, close the glass cuvette using the stopper and briefly shake the solution.\u003c\/li\u003e\n\u003cli\u003eThen add 5 drops of test reagent B to the water sample, shake the glass cuvette briefly again and set it aside.\u003c\/li\u003e\n\u003cli\u003eThen add 5 drops of test reagent C to the sample, shake the glass cuvette briefly again and set it aside.\u003c\/li\u003e\n\u003cli\u003eAfter 6 minutes of development time, place the glass cuvette on the white inner circles of the colour card and compare it to thes urrounding colour field. To do this, look into the open cuvette from above. Move the sample on the colour card until the cuvette and the colour field match exactly. A slight cloudiness in the salt water sample will not affect the result of the test.\u003c\/li\u003e\n\u003cli\u003eTake note of the measured total concentration value under the relevant colour field. If the colours do not match exactly, an intermediate value can be estimated.\u003c\/li\u003e\n\u003cli\u003eRinse out the glass cuvette and the measuring spoon thoroughly with tap water after the measurement process.\u003c\/li\u003e\n\u003c\/ol\u003e\u003cp\u003eShelf life and storage:\u003c\/p\u003e\u003cp\u003e6 months after opening. Store in a cool, dark place.\u003c\/p\u003e","brand":"Tropic Marin","offers":[{"title":"Default Title","offer_id":57074498503039,"sku":"733020","price":19.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0963\/5420\/6079\/files\/tropic_marin_ammonia_test.jpg?v=1772675541"},{"product_id":"tropic-marin-phosphate-professional-test-kit-freshwater-saltwater","title":"Tropic Marin Phosphate Professional Test Kit - Freshwater\/Saltwater","description":"\u003cp\u003ePhosphates are important nutrients for all plants and are vital for the energy metabolism of every living cell. Phosphates are released into the aquarium water via food and the decomposition process of organic matter. However, an unregulated increase in the phosphate concentration creates problems, such as significant algae growth. In addition, phosphates in salt water aquariums can seriously inhibit the deposition of calcium carbonate in the skeleton formation process of hard corals and, in turn, for their growth. On the other hand, there can be a shortage of phosphate if there is a high stock of plants and \/ or corals and a low fish population. In this situation, phosphate will need to be added. Some reef aquariums are intentionally set up to have ultra-low nutrient conditions – phosphate shortages can occur in cases such as these.\u003c\/p\u003e\u003cp\u003eIn freshwater applications, a phosphate concentration of up to 0.4 mg\/l (ppm) is suitable, however 1 mg\/l (ppm) should not be exceeded. Even a concentration of 0.02 mg\/l (ppm) is adequate for supplying aquatic plants with nutrients. The phosphate concentration in natural saltwater is approximately 0.06 mg\/l (ppm). However, the phosphate concentration in coral reefs may be much lower, typically between 0,01 and 0.02 mg\/l (ppm).\u003c\/p\u003e\u003cp\u003eWe recommend that you prevent the concentration of phosphate from rising above 0.1 mg\/l (ppm) in saltwater tanks and keep the concentration between 0.01 and 0.05 mg\/l (ppm) in reef aquariums. To monitor this effectively, the phosphate concentration in the aquarium water should be tested regularly.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003ePackage Contents\u003c\/strong\u003e\u003c\/p\u003e\u003cul style=\"list-style-type: square;\"\u003e\n\u003cli\u003e25 ml \/ 0.85 fl.oz. of reagent A\u003c\/li\u003e\n\u003cli\u003e6 ml \/ 0.20 fl.oz. of reagent B\u003c\/li\u003e\n\u003cli\u003e5 ml \/ 0.17 fl.oz. of reference solution “standard”\u003c\/li\u003e\n\u003cli\u003e2 glass cuvettes 20 ml\u003c\/li\u003e\n\u003cli\u003e1 dosing syringe 20 ml\u003c\/li\u003e\n\u003cli\u003e2 colour cards\u003c\/li\u003e\n\u003cli\u003e1 comparator\u003c\/li\u003e\n\u003cli\u003e1 instructions for use\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eInstructions For Use\u003c\/strong\u003e\u003c\/p\u003e\u003col\u003e\n\u003cli\u003eShake the dropper bottles before use! Assemble and prepare the comparator.\u003c\/li\u003e\n\u003cli\u003eRinse out both glass cuvettes with tap water and then several times with aquarium water.\u003c\/li\u003e\n\u003cli\u003eFill each glass cuvette with exactly \u003cstrong\u003e15 ml\u003c\/strong\u003eof aquarium water using the dosing syringe. Put one of the two water samples aside as a reference.\u003c\/li\u003e\n\u003cli\u003eAdd \u003cstrong\u003e10 drops (for saltwater)\u003c\/strong\u003eor 12 drops (for freshwater) of test reagent A to the test cuvette, close the glass cuvette using the stopper and briefly shake the sample.\u003c\/li\u003e\n\u003cli\u003eAfter that, add 3 drops of test reagent B, close the glass cuvette once again and briefly shake it.\u003c\/li\u003e\n\u003cli\u003eAfter 4 minutes of development time place the open test cuvette and the reference cuvette with the water sample into the comparator. Place the comparator on the colour card in such a way that the reference cuvette is sitting on a coloured field and the test cuvette on a white field.\u003c\/li\u003e\n\u003cli\u003eNow compare the opposing fields. To do this, look into the open cuvettes from above. Move the comparator on the colour card until both cuvettes match exactly.\u003c\/li\u003e\n\u003cli\u003eRead off the phosphate concentration under the relevant colour field. If the colours do not match exactly, an intermediate value can be estimated.\u003c\/li\u003e\n\u003cli\u003eRinse out the glass cuvettes and the syringe thoroughly with tap water after the measurement process.\u003c\/li\u003e\n\u003c\/ol\u003e\u003cp\u003eUsing the “standard” to verify the test:\u003c\/p\u003e\u003cp\u003eThe shelf life of reagents depends on storage conditions and other factors. If the functional capacity of the test is inadequate, there will be no colour reaction during the test, even if phosphate levels are particularly high. If the measurement result is below 0.1 mg\/l (ppm), add three drops of the reference solution “standard” to a new sample in order to verify the reliability of the test. If the colour changes to blue when you carry out the test again, then the reagents are verified as good.\u003c\/p\u003e\u003cp\u003eShelf life and storage:\u003c\/p\u003e\u003cp\u003e6 months after opening. Store in a cool, dark place.\u003c\/p\u003e","brand":"Tropic Marin","offers":[{"title":"Default Title","offer_id":57074498568575,"sku":"733018","price":19.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0963\/5420\/6079\/files\/tropic_marin_phosphate_test_kit.jpg?v=1772675547"},{"product_id":"tropic-marin-professional-nitrite-nitrate-test-kit-freshwater-saltwater","title":"Tropic Marin Professional Nitrite\/Nitrate Test Kit - Freshwater\/Saltwater","description":"\u003cp\u003eNitrate ions (NO3–) are formed from ammonium (NH4+) as the end product of the nitrification process. Nitrite (NO2–), which is highly toxic to freshwater species in particular, is produced in the first stage of the bacterial process. If the nitrification process works, nitrite is converted to the comparatively non-toxic nitrate in the second stage. Increased levels of nitrite above 0.05 mg\/l (ppm) are usually found in tanks that are in their maturation phase or in tanks with nitrate filters.\u003c\/p\u003e\u003cp\u003eNitrate affects the quality of the water in the aquarium: Higher concentrations of nitrate in saltwater aquariums will end up inhibiting the growth of delicate coral. An algal bloom is often the result of a high nitrate level in an aquarium. Some reef aquariums have ultra-low nutrient conditions – nitrate shortages can occur in cases such as these. Therefore, the nitrate concentration in the aquarium water should be tested regularly.\u003c\/p\u003e\u003cp\u003eIt is advisable to keep the nitrate concentration in freshwater aquariums below 50 mg\/l (ppm), whereas the concentration should not exceed 20 mg\/l (ppm) in saltwater applications. When nurturing hard coral, the aim is to keep the nitrate concentration below 10 mg\/l (ppm). Lower limits for nitrate depend on the general conditions in the aquarium.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003ePackage Contents\u003c\/strong\u003e\u003c\/p\u003e\u003cul style=\"list-style-type: square;\"\u003e\n\u003cli\u003e50 ml\/1.69 fl.oz. of reagent A\u003c\/li\u003e\n\u003cli\u003e20 ml\/0.68 fl.oz. of reagent B\u003c\/li\u003e\n\u003cli\u003e10 ml\/0.34 fl.oz. of reagent C\u003c\/li\u003e\n\u003cli\u003e5 ml\/0.17 fl.oz. of reference solution “Standard”\u003c\/li\u003e\n\u003cli\u003e1 glass cuvette 20 ml\u003c\/li\u003e\n\u003cli\u003e1 dosing syringe 20 ml\u003c\/li\u003e\n\u003cli\u003e1 dosing syringe 1 ml with dropper tip\u003c\/li\u003e\n\u003cli\u003e2 colour cards\u003c\/li\u003e\n\u003cli\u003e1 comparator\u003c\/li\u003e\n\u003cli\u003e1 instructions for use\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eInstructions For Use\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHigh concentrations:\u003c\/strong\u003e If the nitrate concentration is above 20 ppm (if the colours on the colour card are exceeded), dilute 3 ml of the test water with 12 ml of reverse osmosis water and carry outt he test again. The result is then multiplied by 5.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDetermining the nitrite level:\u003c\/strong\u003e\u003c\/p\u003e\u003col\u003e\n\u003cli\u003eShake the dropper bottles before use!\u003c\/li\u003e\n\u003cli\u003eRinse out the glass cuvette with tap water and then several times with aquarium water.\u003c\/li\u003e\n\u003cli\u003eFill the glass cuvette with exactly 15 ml of aquarium water using the dosing syringe and place it in the comparator which serves as a cuvette stand.\u003c\/li\u003e\n\u003cli\u003ePlace the dropper tip on the 1 ml dosing syringe, add 1 ml test reagent A, close the glass cuvette using the stopper, briefly shake the solution and place it back in the comparator.\u003c\/li\u003e\n\u003cli\u003eThen add 4 drops of test reagent C, close the glass cuvette once again, shake it briefly and place it back in the comparator.\u003c\/li\u003e\n\u003cli\u003eAfter 3 minutes of development time, place the glass cuvette in the comparator on the white circles of the nitrite colour card in such a way that the second free opening on the comparator (without cuvette) is underneath the colour card (not on the colour fields) and the narrow end face of the comparator is facing the colour fields. Now the colour of the water sample is compared to the opposing colour fields by daylight conditions. To do this, look into the open cuvette from above. Move the sample on the colour card until the cuvette colour and the colour field colour match exactly.\u003c\/li\u003e\n\u003cli\u003eRead off the measured nitrite value under the relevant colour field. If the colours do not match exactly, an intermediate value can be estimated.\u003c\/li\u003e\n\u003c\/ol\u003e\u003cp\u003e\u003cstrong\u003eDetermining the nitrate level:\u003c\/strong\u003e\u003c\/p\u003e\u003col\u003e\n\u003cli\u003eShake the dropper bottles before use!\u003c\/li\u003e\n\u003cli\u003eRinse out the glass cuvette with tap water and then several times with aquarium water.\u003c\/li\u003e\n\u003cli\u003eFill the glass cuvette with exactly 15 ml of aquarium water using the dosing syringe and place it in the comparator which serves as a cuvette stand.\u003c\/li\u003e\n\u003cli\u003ePlace the dropper tip on the 1 ml dosing syringe, draw out 1 ml of test reagent A and add it to the water sample. Close the glass cuvette using the stopper, briefly shake the sample and place it back in the comparator.\u003c\/li\u003e\n\u003cli\u003eShake the bottle with test reagent B vigorously in a horizontal direction for approx. 30 seconds (the reagent must be well shaken). Then add 10 drops of test reagent B to the aquarium sample, close the cuvette again, shake it briefly and place it back in the comparator.\u003c\/li\u003e\n\u003cli\u003eAfter 3 minutes of development time, add 4 drops of test reagent C, close the glass cuvette once again, shake it briefly and place it back in the comparator.\u003c\/li\u003e\n\u003cli\u003eAfter another 3 minutes of development time, place the comparator on the white circles of the nitrate colour card in such a way that the second free opening on the comparator (without cuvette) is underneath the colour card (not on the colour fields) and the narrow end face of the comparator is facing the colour fields. Look into the open cuvette from above and compare it to the opposing colour fields by daylight conditions. Move the sample on the colour card until the cuvette colour and the colour field colour match exactly.\u003c\/li\u003e\n\u003cli\u003eRead off the measured nitrate value under the relevant colour field. Correct the result if necessary (see table below). If the colours do not match exactly, an intermediate value can be estimated.\u003c\/li\u003e\n\u003cli\u003eRinse out the glass cuvette and the syringe thoroughly with tap water after the measurement process.\u003c\/li\u003e\n\u003c\/ol\u003e\u003cp\u003e\u003cstrong\u003eUsing the “standard” to verify the test:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe shelf life of reagents depends on storage conditions and other factors. If the functional capacity of the test is inadequate, there will be no colour reaction during the test, even if nitrate levels are particularly high. If the measurement result is below 1 mg\/l (ppm), add five drops of the reference solution “standard” to a new sample in order to verify the reliability of the test. If the colour changes to pink (2 mg\/l (ppm)) when you carry out the test again, then the reliability of the reagents is verified as good.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eShelf life and storage: \u003c\/strong\u003e6 months after opening. Store in a cool, dark place.\u003c\/p\u003e","brand":"Tropic Marin","offers":[{"title":"Default Title","offer_id":57074498634111,"sku":"733019","price":25.49,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0963\/5420\/6079\/files\/tropic_marin_nitrite_nitrate_professional_test.jpg?v=1772675552"},{"product_id":"nt-marine-lab-multi-test-kit","title":"NT Marine Lab Multi Test Kit","description":"\u003cp\u003eFull instructions are included detailing optimum levels and suggestions for correction, along with an integrated test tube rack. Simply follow the easy-to-read pictorial instructions and compare the test tube to the colour chart. Complete with 4 test tubes and a set of colour coded stickers to allow you to label both the test tubes and lids to ensure the same test is always carried out in the same test tube to avoid contamination.\u003c\/p\u003e\u003cp\u003eThis test kit reports concentration in terms of nitrogen (NH3-N), (NO2-N) or (NO3-N) to be compatible with reported safe concentrations as they apply to fish and plants. If you are interested in knowing the ionic concentration of the measured parameter, multiply your result by 1.21 (NH3-N), 3.29 (NO2-N), or 4.43 (NO3-N).\u003c\/p\u003e","brand":"NT Labs","offers":[{"title":"Default Title","offer_id":57074539168127,"sku":"717094","price":27.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0963\/5420\/6079\/files\/nt_labs_marine_lab_multi_test_kit_new_aqua_2021.jpg?v=1772676277"},{"product_id":"nt-marine-labs-reef-multi-test-kit","title":"NT Marine Labs Reef Multi Test Kit","description":"\u003cp\u003eReef Multi-Test comprises everything you need to carry out up to 145 tests (combined) of the 4 key water parameters to maintain a healthy and thriving reef aquarium: KH, magnesium, calcium \u0026amp; phosphate. The tests are a mixture of liquid drop and titration tests for improved accuracy and come with all the equipment required to carry out the tests including syringes, pipettes and titration vessels.\u003c\/p\u003e\u003cp\u003eFull instructions are included detailing optimum levels and suggestions for correction. As well as the colour charts, the back of the box also details easy to follow step-by-step pictorial instructions. Colour coded stickers for the syringes and titration vessels are also included to ensure the same test is always carried out with the same equipment to avoid contamination. The Reef Multi-Test is designed to be used alongside the Marine Multi-Test to provide a full testing system for your reef aquarium.\u003c\/p\u003e\u003cp\u003eUp to 145 tests combined.\u003c\/p\u003e","brand":"NT Labs","offers":[{"title":"Default Title","offer_id":57074539233663,"sku":"717095","price":30.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0963\/5420\/6079\/files\/nt_labs_marine_lab_reef_multi_test_kit_new_aqua_2021.jpg?v=1772676294"},{"product_id":"nt-labs-marine-lab-ammonia-test-kit","title":"NT Labs Marine Lab Ammonia Test Kit","description":"\u003cp\u003e\u003cstrong\u003eWhat is ammonia?\u003c\/strong\u003e\u003cbr\u003eMost ammonia generated in an aquarium is the result of the digestion of proteins by fish and other aquarium animals. Ammonia can also be released by the bacterial breakdown of excess food and other organic matter. It is extremely toxic to fish and invertebrates, especially in a marine aquarium due to the higher pH found in saltwater. Ammonia is broken down into nitrite by the beneficial bacteria in your aquarium filter or live rock and then subsequently into relatively harmless nitrate.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy test for ammonia?\u003c\/strong\u003e\u003cbr\u003eLow concentration of ammonia can cause respiratory and skin irritation to fish, while greater concentrations can lead to damage and ultimately death. Toxic ammonia can build up in aquariums where there are insufficient nitrifying bacteria to process the waste from the fish. This situation can commonly arise in new aquariums, when new fish are added, when the filter bacteria has been disrupted (e.g. during cleaning), or during accidental mis-dosing of aquarium medications.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat is the correct level of ammonia?\u003c\/strong\u003e\u003cbr\u003eAmmonia should be kept at 0 mg\/l at all times. Any positive ammonia reading likely indicates a problem with the aquarium and should be addressed.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat to do if the ammonia level is wrong?\u003c\/strong\u003e\u003cbr\u003eIf any ammonia is detected in your aquarium, use water changes to immediately dilute ammonia. Ensure that there is no uneaten food or decaying matter in the aquarium and use \u003ca href=\"https:\/\/www.ntlabs.co.uk\/browse-products\/indoor\/marine\/live-filter-bacteria\/\"\u003eLive Filter Bacteria\u003c\/a\u003e to help colonise the filter and restart the biological filtration.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow to test for ammonia?\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eUse the 1 ml pipette provided to measure 1 ml of water to be tested into the test tube.\u003c\/li\u003e\n\u003cli\u003eAdd 5 drops of Ammonia-1 reagent.\u003c\/li\u003e\n\u003cli\u003eAdd 5 drops of Ammonia-2 reagent.\u003c\/li\u003e\n\u003cli\u003eAdd 5 drops of Ammonia-3 reagent.\u003c\/li\u003e\n\u003cli\u003eCap the test tube and shake well to mix.\u003c\/li\u003e\n\u003cli\u003eWait for 10 minutes for the colour to develop.\u003c\/li\u003e\n\u003cli\u003eOnce the 10 minutes has elapsed, view the test tube from the side and compare to the colour chart to determine the amount of ammonia present in the water.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThis test kit reports concentration in terms of nitrogen (NH3-N) to be compatible with reported safe concentrations as they apply to fish and plants. If you are interested in knowing the ionic concentration of the measured parameter, multiply your result by 1.21 (NH3-N).\u003c\/p\u003e","brand":"NT Labs","offers":[{"title":"Default Title","offer_id":57074539299199,"sku":"717086","price":8.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0963\/5420\/6079\/files\/nt_labs_marine_lab_ammonia_nh3_test_kit_new_aqua_2021_1.jpg?v=1772676311"},{"product_id":"nt-labs-marine-lab-nitrite-test","title":"NT Labs Marine Lab Nitrite Test","description":"\u003cp\u003e\u003cstrong\u003eWhat is nitrite?\u003c\/strong\u003e\u003cbr\u003eNitrite is the intermediate product in the nitrification process. Nitrite originates as a waste product produced by nitrifying bacteria as a result of processing ammonia. It is commonly encountered in newly set up aquaria, where there has been a significant increase in the number of animals in the aquarium, or if the filter has been disrupted.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy test for nitrite?\u003c\/strong\u003e\u003cbr\u003eDue to the presence of salt, nitrite is much less toxic to marine organisms than freshwater animals. Filtration bacteria in a well-established marine aquarium process nitrite as quickly as it is produced. The presence of nitrite therefore is an indicator that the equilibrium of the aquarium has been disrupted. Testing for nitrite regularly can help quickly assess the health of a marine aquarium before a problem becomes harmful to fish and marine invertebrates.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat is the correct nitrite level in my aquarium?\u003c\/strong\u003e\u003cbr\u003eA healthy, mature aquarium should have 0 mg\/l nitrite at all times. Any positive nitrite reading in an established aquarium likely indicates a problem with the aquarium and should be addressed.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat to do if the nitrite level is wrong?\u003c\/strong\u003e\u003cbr\u003eIf any nitrite is detected in your aquarium, determine the cause for the elevated nitrite (e.g. changes in stocking density, overfeeding, filter maintenance etc). Monitor livestock for changes and ill-health and carry out partial water changes to dilute nitrite if necessary.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow to test for nitrite?\u003c\/strong\u003e\u003c\/p\u003e\u003cul style=\"list-style-type: square;\"\u003e\n\u003cli\u003eAdd 5 ml of water to be tested into the test tube provided. The middle mark on the test tube indicates 5 ml.\u003c\/li\u003e\n\u003cli\u003eAdd 5 drop of the nitrite reagent to the test tube, cap the test tube and then shake.\u003c\/li\u003e\n\u003cli\u003eWait for 2 minutes for the colour to develop.\u003c\/li\u003e\n\u003cli\u003eOnce the 2 minutes has elapsed, view the test tube from the side and compare to the colour chart to determine the amount of nitrite present in the water.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eN.B.\u003c\/strong\u003e Colour will continue to develop after 2 minutes. Therefore, read the nitrite test immediately after the two minutes has elapsed. Attempting to read this test significantly after this time period may result in falsely high readings.\u003c\/p\u003e","brand":"NT Labs","offers":[{"title":"Default Title","offer_id":57074539397503,"sku":"717087","price":8.49,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0963\/5420\/6079\/files\/nt_labs_marine_lab_nitrite_test_kit_1.jpg?v=1772676335"},{"product_id":"nt-labs-marine-lab-nitrate-test","title":"NT Labs Marine Lab Nitrate Test","description":"\u003cp\u003e\u003cstrong\u003eWhat is nitrate?\u003c\/strong\u003e\u003cbr\u003eNitrate is the waste product of naturally occurring bacteria (Nitrospira spp.) turning nitrite into relatively non-toxic nitrate. In a typical aquarium, nitrate is the final stage of nitrification and usually accumulates with time.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy test for nitrate?\u003c\/strong\u003e\u003cbr\u003eInvertebrates do not tolerate a high level of nitrate in a marine aquarium, so careful measurement is essential to keeping corals healthy. Nitrate is also the cause of many algae problems in a marine aquarium so monitoring and responding to nitrate can help reduce these algae issues.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat is the correct level of nitrate?\u003c\/strong\u003e\u003cbr\u003eIn a reef aquarium, a concentration of under 10 mg\/l is optimal for both coral growth and health. In a marine fish-only system, nitrate should not exceed 20 mg\/l. Higher readings are unlikely to affect fish health, but it may promote excess algae growth.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat to do if the nitrate level is wrong?\u003c\/strong\u003e\u003cbr\u003eRegular partial water changes with a good quality salt should be sufficient in maintaining low nitrate. Good aquarium hygiene, such as removing excessive waste from filters or sumps will also help to keep nitrate down to a minimum. Excessive feeding will also cause high nitrate, so ensure that fish are not overfed.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow to test for nitrate?\u003c\/strong\u003e\u003c\/p\u003e\u003cul style=\"list-style-type: square;\"\u003e\n\u003cli\u003eAdd 5 ml of water to be tested into the test tube provided. The middle mark on the test tube indicates 5 ml.\u003c\/li\u003e\n\u003cli\u003eEnsuring reagent bottle 1 is closed, turn the bottle upside down and shake well for approximately 30 seconds to resuspend the catalyst particles.\u003c\/li\u003e\n\u003cli\u003eImmediately add 6 drops of Nitrate-1 reagent to the test tube. 4. Add 6 drops of Nitrate-2 reagent.\u003c\/li\u003e\n\u003cli\u003eCap the test tube and shake well to mix.\u003c\/li\u003e\n\u003cli\u003eWait for 10 minutes for the colour to develop.\u003c\/li\u003e\n\u003cli\u003eOnce the 10 minutes has elapsed, view the test tube from the side and compare to the colour chart to determine the amount of nitrate present in the water.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"NT Labs","offers":[{"title":"Default Title","offer_id":57074539463039,"sku":"717088","price":8.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0963\/5420\/6079\/files\/nt_labs_marine_lab_nitrate_test_kit.jpg?v=1772676272"},{"product_id":"nt-labs-marine-lab-ph-test","title":"NT Labs Marine Lab pH Test","description":"\u003cp\u003e\u003cstrong\u003eWhat is nitrate?\u003c\/strong\u003e\u003cbr\u003eNitrate is the waste product of naturally occurring bacteria (Nitrospira spp.) turning nitrite into relatively non-toxic nitrate. In a typical aquarium, nitrate is the final stage of nitrification and usually accumulates with time.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy test for nitrate?\u003c\/strong\u003e\u003cbr\u003eInvertebrates do not tolerate a high level of nitrate in a marine aquarium, so careful measurement is essential to keeping corals healthy. Nitrate is also the cause of many algae problems in a marine aquarium so monitoring and responding to nitrate can help reduce these algae issues.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat is the correct level of nitrate?\u003c\/strong\u003e\u003cbr\u003eIn a reef aquarium, a concentration of under 10 mg\/l is optimal for both coral growth and health. In a marine fish-only system, nitrate should not exceed 20 mg\/l. Higher readings are unlikely to affect fish health, but it may promote excess algae growth.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat to do if the nitrate level is wrong?\u003c\/strong\u003e\u003cbr\u003eRegular partial water changes with a good quality salt should be sufficient in maintaining low nitrate. Good aquarium hygiene, such as removing excessive waste from filters or sumps will also help to keep nitrate down to a minimum. Excessive feeding will also cause high nitrate, so ensure that fish are not overfed.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow to test for nitrate?\u003c\/strong\u003e\u003c\/p\u003e\u003cul style=\"list-style-type: square;\"\u003e\n\u003cli\u003eAdd 5 ml of water to be tested into the test tube provided. The middle mark on the test tube indicates 5 ml.\u003c\/li\u003e\n\u003cli\u003eEnsuring reagent bottle 1 is closed, turn the bottle upside down and shake well for approximately 30 seconds to resuspend the catalyst particles.\u003c\/li\u003e\n\u003cli\u003eImmediately add 6 drops of Nitrate-1 reagent to the test tube. 4. Add 6 drops of Nitrate-2 reagent.\u003c\/li\u003e\n\u003cli\u003eCap the test tube and shake well to mix.\u003c\/li\u003e\n\u003cli\u003eWait for 10 minutes for the colour to develop.\u003c\/li\u003e\n\u003cli\u003eOnce the 10 minutes has elapsed, view the test tube from the side and compare to the colour chart to determine the amount of nitrate present in the water.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"NT Labs","offers":[{"title":"Default Title","offer_id":57074539528575,"sku":"717089","price":8.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0963\/5420\/6079\/files\/nt_labs_marine_lab_ph_test_kit.jpg?v=1772676283"},{"product_id":"nt-labs-marine-lab-carbonate-hardness-test","title":"NT Labs Marine Lab Carbonate Hardness Test","description":"\u003cp\u003e\u003cstrong\u003eWhat is KH?\u003c\/strong\u003e\u003cbr\u003eKH, or carbonate hardness, describes the pH buffering capability of water. Water with the correct KH will resist changes to the pH, ensuring a stable environment for your aquarium’s inhabitants.  KH measures the concentration of carbonates and bicarbonates dissolved in the water which provide the pH-stabilising effect. In a reef aquarium, these are also an essential component for reef-building corals and other invertebrates with calcium-based exoskeletons.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy test for KH?\u003c\/strong\u003e\u003cbr\u003eAs marine water ages, acidic processes in the aquarium consume the KH causing it to decrease. Furthermore, many marine invertebrates assimilate carbonates removing them from the water column. If the KH becomes too low, the pH of the water is at risk of significant fluctuations. It is these changes that cause stress to fish and make them more susceptible to disease. The KH should be tested frequently to ensure that it remains at the correct level to provide a stable environment for your aquarium’s inhabitants.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat is the correct level of KH?\u003c\/strong\u003e\u003cbr\u003eIn natural seawater, the dissolved carbonate hardness is normally 7 dKH (or °KH), but you may wish to maintain a level between 7 and 14 dKH depending on your method of running the aquarium.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat to do if the KH level is wrong?\u003c\/strong\u003e\u003cbr\u003eIf your KH is low in your aquarium, use a suitable KH buffer to safely increase the KH up to the desired level. Monitor the KH frequently to determine how quickly the KH decreases over the period of a week and adjust to frequency of water changes or addition of buffer to maintain a stable KH. If the KH in your aquarium is high, a water change with a good quality salt will help reduce the KH, but changes to KH should be carried out slowly to avoid stressing the inhabitants.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow to test for KH?\u003c\/strong\u003e\u003c\/p\u003e\u003cul style=\"list-style-type: square;\"\u003e\n\u003cli\u003eAdd 5 ml of water to be tested into the test tube provided. The middle mark on the test tube indicates 5 ml\u003c\/li\u003e\n\u003cli\u003eAdd 1 drop of the KH reagent to the test tube and mix – the colour of the sample should turn blue.\u003c\/li\u003e\n\u003cli\u003eContinue to add the KH reagent, one drop at a time with mixing until the colour of the sample changes from blue to yellow, counting each drop.\u003c\/li\u003e\n\u003cli\u003eWhen the colour changes to yellow, stop the test.\u003c\/li\u003e\n\u003cli\u003eEach drop of KH reagent used, including the first drop, indicates 1 dKH. For example, if the sample turns yellow after 7 drops, the KH is 7dKH.\u003c\/li\u003e\n\u003cli\u003eTo convert from dKH to mg\/l (as CaCO3), multiply the dKH by 17.8.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"NT Labs","offers":[{"title":"Default Title","offer_id":57074539594111,"sku":"717090","price":8.49,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0963\/5420\/6079\/files\/nt_labs_marine_lab_carbonate_hardness_test_kit.jpg?v=1772676295"},{"product_id":"nt-labs-marine-lab-phosphate-test","title":"NT Labs Marine Lab Phosphate Test","description":"\u003cp\u003e\u003cstrong\u003eWhat is phosphate?\u003c\/strong\u003e\u003cbr\u003ePhosphate is an essential component in fish nutrition, but is also produced as a waste product by fish. Phosphate is practically non-toxic to fish, but excess phosphate can cause unwanted algae and will inhibit coral growth.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy test for phosphate?\u003c\/strong\u003e\u003cbr\u003eMaintaining a low level of phosphate is essential for reducing unwanted algae and maintaining coral growth rates. Phosphate tends to accumulate as an aquarium ages, so regular monitoring of phosphate is required to determine the health of the aquarium.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat is the correct level of phosphate?\u003c\/strong\u003e\u003cbr\u003ePhosphate in natural seawater generally varies from 0.01 mg\/l to 0.06 mg\/l (in terms of phosphorus) in reef areas. However, in a reef aquarium, aim for 0.03 mg\/l to maintain good coral growth and keep nuisance algae at to a minimum.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat to do if the phosphate level is wrong?\u003c\/strong\u003e\u003cbr\u003eRegular maintenance and use of partial water changes with a good quality reef salt should help to keep phosphate low. To remove additional phosphate, use a phosphate remover in your filter or add anti-phosphate liquid regularly to instantly remove phosphate.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow to test for phosphate?\u003c\/strong\u003e\u003c\/p\u003e\u003cul style=\"list-style-type: square;\"\u003e\n\u003cli\u003eUsing the syringe provided, add approximately 5 ml of water to the glass test tube. Cap the test tube and shake briefly to wash the test tube. Uncap the test tube and discard this water.\u003c\/li\u003e\n\u003cli\u003eAdd 10 mL (2 x 5 ml using the syringe) to the test tube. 3. Add 10 drops of Phosphate-1 Reagent.\u003c\/li\u003e\n\u003cli\u003eAdd 10 drops of Phosphate-2 Reagent.\u003c\/li\u003e\n\u003cli\u003eCap the test tube and shake well to mix.\u003c\/li\u003e\n\u003cli\u003eWait for 5 minutes for the colour to develop.\u003c\/li\u003e\n\u003cli\u003eOnce the 5 minutes has elapsed, uncap the test tube. View from the top and compare to the colour chart to determine the amount of phosphate present in the water.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eFAQs:\u003cbr\u003eQ: Why do I run out of 1 reagent before the other(s)?\u003c\/strong\u003e A: We fill our test kit reagent bottles to a minimum amount before they are put through a vigorous QC regime. This means that the vast majority of bottles will in fact be overfilled by varying amounts meaning that the reagents may well run out at different rates but you should be able to carry out at least the number of tests stated on the packaging.\u003c\/p\u003e","brand":"NT Labs","offers":[{"title":"Default Title","offer_id":57074540118399,"sku":"717093","price":8.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0963\/5420\/6079\/files\/nt_labs_marine_lab_phosphate_test_kit.jpg?v=1772676431"},{"product_id":"asf-seatest-ph-2-x-10ml-ph-tests","title":"ASF Seatest pH 2 x 10ml pH Tests","description":"\u003cdiv class=\"ng-scope\"\u003e\u003cstrong\u003eSeaTest pH\u003c\/strong\u003e\u003c\/div\u003e\u003cdiv class=\"ng-scope\"\u003e\n\u003cdiv\u003eThe pH value is one of the key values of an aquarium or pond. The pH value indicates whether the water is acidic or alkaline.  Most fish and the nitrifying bacteria prefer alkaline water. But the biological processes in the aquarium water cause the pH value to drop over time. Because all inhabitants in aquariums and ponds are very sensitive to changes in the pH value, regular monitoring is needed.\u003c\/div\u003e\n\u003cdiv\u003eKeep out of reach of children.\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003eContents : 2 x 10 ml test reagent, measuring cylinder, color chart, instructions.\u003c\/div\u003e\n\u003c\/div\u003e\u003cp\u003e\u003cbr class=\"ng-scope\"\u003e\u003cspan class=\"ng-scope\"\u003e\u003cimg src=\"https:\/\/aquariumsystems.oxatis.com\/Files\/132025\/Img\/16\/Pictos-Articles-03.png\" alt=\"\" border=\"0\"\u003e \u003cimg src=\"https:\/\/aquariumsystems.oxatis.com\/Files\/132025\/Img\/20\/dangereux.png\" alt=\"\" border=\"0\"\u003e\u003cbr\u003eH225\u003cbr\u003e\"Caution, observe the precautions for use.\"\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cdiv\u003ePrecautionary Statement(s):\u003c\/div\u003e\u003cdiv\u003eP210: Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.\u003c\/div\u003e\u003cdiv\u003eP305 + P351 + P338 : IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses if present and easy to do – continue rinsing.\u003c\/div\u003e\u003cdiv\u003eP370 + P378: In case of fire: Use … to extinguish.\u003c\/div\u003e\u003cdiv\u003eP403 + P 235: Store in a well ventilated place. Keep cool.\u003c\/div\u003e","brand":"ASF (Aquarium Systems)","offers":[{"title":"Default Title","offer_id":57074779324799,"sku":"784030","price":13.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0963\/5420\/6079\/files\/ph_seatest.png?v=1772680036"},{"product_id":"asf-seatest-no2-140-nitrite-test","title":"ASF Seatest NO2 140 Nitrite Test","description":"\u003cdiv class=\"ng-scope\"\u003e\u003cstrong\u003eSeaTest NO2\u003c\/strong\u003e\u003c\/div\u003e\u003cdiv class=\"ng-scope\"\u003e\n\u003cdiv\u003eUneaten food, fish waste and other organic nitrogen containing compounds are broken down by bacteria into ammonia and in a further step into toxic nitrite. This nitrite is further processed by other beneficial bacteria into nitrate, which in low concentrations is not dangerous. In a well-functioning aquarium or pond the nitrite value should be less than 0.3 mg\/L.  Especially in the initial or start-up phase of the aquarium or pond the filter bacteria are not been developed well and so regular monitoring is very important to avoid ammonia or nitrite toxicity to animals.\u003c\/div\u003e\n\u003cdiv\u003eKeep out of reach of children.\u003cbr\u003e \u003cbr\u003eContents : test reagent for approximately 140 tests, measuring cylinder, color chart, instructions.\u003c\/div\u003e\n\u003c\/div\u003e\u003cp\u003e\u003cspan class=\"ng-scope\"\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/aquariumsystems.oxatis.com\/Files\/132025\/Img\/16\/Pictos-Articles-03.png\" alt=\"\" border=\"0\"\u003e \u003cimg src=\"https:\/\/aquariumsystems.oxatis.com\/Files\/132025\/Img\/20\/dangereux.png\" alt=\"\" border=\"0\"\u003e \u003cimg src=\"https:\/\/aquariumsystems.oxatis.com\/Files\/132025\/Img\/19\/Pictos-Articles-01.png\" alt=\"\" border=\"0\"\u003e\u003cbr\u003eH225 - H226 - H314 - H335\u003cbr\u003e\"Caution, observe the precautions for use.\"\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cdiv\u003ePrecautionary statement(s):\u003c\/div\u003e\u003cdiv\u003eP260: Do not breathe dust\/fume\/gas\/mist\/vapors\/spray\u003c\/div\u003e\u003cdiv\u003eP280: Wear protective gloves\/protective clothing\/eye protection\/face protection.\u003c\/div\u003e\u003cdiv\u003eP210: Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.\u003c\/div\u003e\u003cdiv\u003eP303 + P361 + P353 IF ON SKIN (or hair): Take off Immediately all contaminated clothing. Rinse SKIN with water [or shower].\u003c\/div\u003e\u003cdiv\u003eP305 + P351 + P 338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses if present and easy to do - continue rinsing.\u003c\/div\u003e\u003cdiv\u003eP310: Immediately call a POISON CENTER\/doctor\/…\u003c\/div\u003e\u003cdiv\u003eP370 + P378: In case of fire: Use … to extinguish.\u003c\/div\u003e\u003cdiv\u003eP403 + P 235: Store in a well ventilated place. Keep cool.\u003c\/div\u003e","brand":"ASF (Aquarium Systems)","offers":[{"title":"Default Title","offer_id":57074779586943,"sku":"784034","price":16.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0963\/5420\/6079\/files\/seates_n02_nitrite.png?v=1772679875"},{"product_id":"asf-seatest-no3-nitrate-test","title":"ASF Seatest NO3 Nitrate Test","description":"\u003cp\u003e\u003cstrong\u003e\u003cspan class=\"ng-scope\"\u003eSeaTest NO3\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\u003cdiv class=\"ng-scope\"\u003eUneaten food, fish waste and other organic nitrogen containing compounds are broken down by bacteria into ammonia and in a further step into toxic nitrite. This nitrite is further processed by other beneficial bacteria into nitrate, which in low concentrations is not dangerous. In a well-functioning aquarium or pond the nitrate value should be less than 20 mg\/L. Especially in the initial or start-up phase of the aquarium or pond the filter bacteria are not been developed well and so regular monitoring is very important to avoid ammonia or nitrite toxicity to animals.\u003c\/div\u003e\u003cdiv class=\"ng-scope\"\u003eKeep out of reach of children.\u003cbr\u003e\u003cbr\u003e\n\u003c\/div\u003e\u003cdiv class=\"ng-scope\"\u003eContents : test reagent for approximately 140 tests, measuring cylinder, color chart, instructions.\u003c\/div\u003e\u003cdiv class=\"ng-scope\"\u003e \u003c\/div\u003e\u003cp\u003e\u003cspan class=\"ng-scope\"\u003e\u003cimg src=\"https:\/\/aquariumsystems.oxatis.com\/Files\/132025\/Img\/20\/dangereux.png\" alt=\"\" border=\"0\"\u003e \u003cimg src=\"https:\/\/aquariumsystems.oxatis.com\/Files\/132025\/Img\/24\/Pictos-Articles-06.png\" alt=\"\" border=\"0\"\u003e \u003cimg src=\"https:\/\/aquariumsystems.oxatis.com\/Files\/132025\/Img\/19\/Pictos-Articles-01.png\" alt=\"\" border=\"0\"\u003e \u003cimg src=\"https:\/\/aquariumsystems.oxatis.com\/Files\/132025\/Img\/16\/Pictos-Articles-03.png\" alt=\"\" border=\"0\"\u003e\u003cbr\u003eH225 - H226 - H250 - H260 - H290 - H314 - H319 - H335 - H410 - H412\u003cbr\u003e\"Caution, observe the precautions for use.\"\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cdiv\u003ePrecautionary Statement(s):\u003c\/div\u003e\u003cdiv\u003eP210: Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.\u003c\/div\u003e\u003cdiv\u003eP222: Do not allow contact with air.\u003c\/div\u003e\u003cdiv\u003eP231 + P232: Handle under inert gas. Protect from moisture.\u003c\/div\u003e\u003cdiv\u003eP260: Do not breathe dust\/fume\/gas\/mist\/vapors\/spray.\u003c\/div\u003e\u003cdiv\u003eP273: Avoid release to the environment. P280: Wear protective gloves\/eye protection\/face protection.\u003c\/div\u003e\u003cdiv\u003eP302+P352 IF ON SKIN: Wash with plenty of water.\u003c\/div\u003e\u003cdiv\u003eP303 + P361 + P353 IF ON SKIN (or hair): Take off Immediately all contaminated clothing. Rinse SKIN with water [or shower]. \u003c\/div\u003e\u003cdiv\u003eP305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. \u003c\/div\u003e\u003cdiv\u003eP310: Immediately call a POISON CENTER\/doctor\/… \u003c\/div\u003e\u003cdiv\u003eP337+P313 If eye irritation persists: Get medical advice\/attention. \u003c\/div\u003e\u003cdiv\u003eP370 + P378: In case of fire: Use … to extinguish. \u003c\/div\u003e\u003cdiv\u003eP403 + P235: Store in a well ventilated place. Keep cool.\u003c\/div\u003e","brand":"ASF (Aquarium Systems)","offers":[{"title":"Default Title","offer_id":57074779652479,"sku":"784035","price":16.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0963\/5420\/6079\/files\/seatest_n03_nitrate.png?v=1772679889"},{"product_id":"api-liquid-phosphate-test-kit","title":"API Liquid Phosphate Test Kit","description":"\u003cp\u003ePhosphate can enter your aquarium through tap water, fish waste, and decaying organics such as uneaten food and dead algae. Excess phosphate contributes to unsightly algae and green water blooms, and in saltwater, excess phosphate can inhibit the growth of hard corals.\u003cbr\u003e\u003cbr\u003eThe API® PHOSPHATE TEST KIT tests phosphate levels from 0 to 10 ppm so that you can easily monitor the condition of your aquarium water and may be used in both fresh and saltwater aquariums.\u003cbr\u003e\u003cbr\u003eContains 150 tests and includes 2 test solutions, easy-to-ready instructions, glass test tube and 2 colour charts\u003c\/p\u003e\u003cul\u003e\u003cli\u003eFor what type of tank is API PHOSPHATE TEST KIT most appropriate? Why should I test for phosphate?\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003ePhosphate enters your aquarium through fish and invertebrate waste, and excess phosphate can cause problematic conditions in your tank. Use the API PHOSPHATE TEST KIT to test for high phosphate levels weekly. It may be used for both marine (saltwater) and freshwater aquariums.\u003c\/p\u003e","brand":"API","offers":[{"title":"Default Title","offer_id":57074783289727,"sku":"780887","price":12.49,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0963\/5420\/6079\/files\/api_liquid_phosphate.jpg?v=1772679913"},{"product_id":"api-liquid-high-ph-test-kit","title":"API Liquid High pH Test Kit","description":"\u003cp\u003eThe API High Range pH Test Kit measures pH changes in marine aquariums, aquariums with African Cichlids, and very alkaline tap water. The API® High Range pH Test Kit reads the pH of water within the high range of 7.4 – 8.8, and includes one bottle of test solution and one test tube. Product contains 160 tests, so you can get the most out of your kit for years of fast, accurate testing.\u003c\/p\u003e","brand":"API","offers":[{"title":"Default Title","offer_id":57074783420799,"sku":"780889","price":8.8,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0963\/5420\/6079\/files\/api_hi_ph_test.jpg?v=1772679924"},{"product_id":"api-liquid-ph-test-kit","title":"API Liquid pH Test Kit","description":"\u003cp\u003eThe API® pH TEST KIT monitors pH to maintain healthy freshwater conditions in your tank. pH control is imperative to prevent the harmful effects of overly alkaline or acidic aquarium water on fish and plant life, so take a few minutes each week to maintain and monitor your pH conditions with this easy-to-use kit! Tests read pH from 6.0 – 7.6, and will help you quickly and easily determine whether your levels are too high or too low.\u003c\/p\u003e\u003cp\u003e \u003c\/p\u003e\u003cp\u003eSizes\u003cbr\u003e\u003cbr\u003eContains 250 tests and includes 1 test bottle, easy-to-ready instructions, test tube and color chart\u003c\/p\u003e","brand":"API","offers":[{"title":"Default Title","offer_id":57074783814015,"sku":"780890","price":9.7,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0963\/5420\/6079\/files\/api_ph_test.jpg?v=1772679931"},{"product_id":"api-5-in-1-test-strips-4","title":"API 5 in 1 Test Strips - 4","description":"\u003cp\u003eAPI® 5-IN-1 TEST STRIPS are the quick and easy way to test the 5 most important aquarium water parameters – pH, KH, GH, nitrate, and nitrite – in one easy step. Simply dip one test strip directly into the aquarium, and compare the colors on the strip to the color card provided to help prevent invisible water problems that can be harmful to fish. Each kit includes detailed information on how to interpret the test results and correct unsafe water conditions.\u003c\/p\u003e","brand":"API","offers":[{"title":"Default Title","offer_id":57074783879551,"sku":"API 5 in 1 Test Strips - 4","price":6.8,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0963\/5420\/6079\/files\/api_test_strips.jpg?v=1772679515"},{"product_id":"api-ammonia-test-strips-25","title":"API Ammonia Test Strips - 25","description":"\u003cp\u003eUse the API® AMMONIA TEST STRIPS as the quick and accurate way to test for the presence of ammonia. Kit reads 0 to 6 ppm of ammonia, and alerts you to unsafe ammonia levels before they can harm fish or result in fish loss.\u003c\/p\u003e","brand":"API","offers":[{"title":"Default Title","offer_id":57074783945087,"sku":"780892","price":12.49,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0963\/5420\/6079\/files\/api_ammonia_tests_25.jpg?v=1772679520"},{"product_id":"api-ph-test-strips-25","title":"API pH Test Strips - 25","description":"\u003cp\u003eThe API Aquarium pH Test Strips are a quick and simple way to monitor the pH level of your aquarium.\u003c\/p\u003e\u003cp\u003eSimply pop the strip into the tank and compare against the enclosed colour chart to find out the results. The pH level needs to be kept at the right level for good fish health, as if it spikes or drops this can mean fish are more susceptible to infections.\u003c\/p\u003e\u003cp\u003eThey can be used in both fresh and salt aquariums. Check out our range of aquarium buffers, designed to regulate the pH level and see your tank thrive.\u003c\/p\u003e\u003cp\u003eEach kit comes with 25 test strips, a colour chart to compare results and an instruction book.\u003c\/p\u003e","brand":"API","offers":[{"title":"Default Title","offer_id":57074784010623,"sku":"780893","price":10.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0963\/5420\/6079\/files\/api_ph_test_strips.png?v=1772679526"},{"product_id":"api-5-in-1-test-strips-100","title":"API 5 in 1 Test Strips - 100","description":"\u003cp\u003eAPI® 5-IN-1 TEST STRIPS are the quick and easy way to test the 5 most important aquarium water parameters – pH, KH, GH, nitrate, and nitrite – in one easy step. Simply dip one test strip directly into the aquarium, and compare the colors on the strip to the color card provided to help prevent invisible water problems that can be harmful to fish. Each kit includes detailed information on how to interpret the test results and correct unsafe water conditions.\u003c\/p\u003e","brand":"API","offers":[{"title":"Default Title","offer_id":57074784076159,"sku":"780894","price":22.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0963\/5420\/6079\/files\/api_itest_strips_100.jpg?v=1772679532"}],"url":"https:\/\/finestaquatics.co.uk\/collections\/nutrients-nh4-no2-no3-po4.oembed?page=2","provider":"Finest Aquatics","version":"1.0","type":"link"}