{"title":"Check20 Aquarium Test Strips","description":"","products":[{"product_id":"check-o-aquarium-ammonia","title":"Check₂O Aquarium Ammonia","description":"\u003ch2 class=\"text-center mb-5 bold-text\"\u003eCheck₂O Aquarium Ammonia\u003c\/h2\u003e\n\u003cp\u003eAmmonia is extremely toxic and damaging to aquatic life. Ammonia is excreted by fish through the gills and from the breakdown of organic matter. Ammonia levels in water can also increase with pH’s \u0026gt; 7 and increases in temperature, via conversion from ammonium which itself is relatively nontoxic for aquatic life. Even levels of 0.05 mg\/L ammonia can be harmful to fish, whilst levels of 1 mg\/L and above pose extremely serious health risks including death. It is recommended that ammonia and ammonium levels in an aquarium should be monitored weekly. \u003c\/p\u003e","brand":"Johnson Analytica","offers":[{"title":"Default Title","offer_id":55098305642869,"sku":"341.001","price":5.45,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0574\/5511\/6439\/files\/Ammonia-6-Aqaurium-single-testing---Check2O.jpg?v=1740578173"},{"product_id":"check-o-aquarium-ammonium","title":"Check₂O Aquarium Ammonium","description":"\u003ch2 class=\"text-center mb-5 bold-text\"\u003eCheck₂O Aquarium Ammonium\u003c\/h2\u003e\n\u003cp\u003eAmmonium plays a key role in the nitrogen cycle. The natural breakdown of animal and plant matter produces ammonium which is converted by bacteria to nitrite and then nitrate, an important nutrient for plants. Large increases in pH disrupt this cycle, producing ammonia which is extremely harmful to aquatic life. \u003c\/p\u003e\n\u003ctable id=\"jQuant\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e0 - 10 - 25 - 50 - 100 - 200 - 400 mg\/L NH₄⁺\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Johnson Analytica","offers":[{"title":"Default Title","offer_id":55098311901557,"sku":"342.001","price":5.75,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0574\/5511\/6439\/files\/Ammonium-400-Aqaurium-single-testing---Check2O.jpg?v=1740578215"},{"product_id":"check-o-aquarium-carbonate-hardness","title":"Check₂O Aquarium Carbonate Hardness","description":"\u003ch2 class=\"text-center mb-5 bold-text\"\u003eCheck₂O Aquarium Carbonate Hardness\u003c\/h2\u003e\n\u003cp\u003eTotal alkalinity refers to a number of chemicals that are present in aquariums which can primarily resist any sudden changes in pH. These chemicals are usually carbonates, which is why alkalinity is sometimes called carbonate hardness. The total alkalinity or carbonate hardness in aquariums should be kept between 100 - 250 mg\/L. Low levels of alkalinity can lead to big swings in pH whereas levels of alkalinity that are too high will consequentially cause the pH to be high also. \u003c\/p\u003e","brand":"Johnson Analytica","offers":[{"title":"Default Title","offer_id":55098406044021,"sku":"343.001","price":4.25,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0574\/5511\/6439\/files\/Carbonate-Hardness-20-Aqaurium-single-testing---Check2O.jpg?v=1740578252"},{"product_id":"check-o-aquarium-free-chlorine","title":"Check₂O Aquarium Free Chlorine","description":"\u003ch2 class=\"text-center mb-5 bold-text\"\u003eCheck₂O Aquarium Free Chlorine\u003c\/h2\u003e\n\u003cp\u003eWhilst Free Chlorine is an effective disinfectant, it is extremely toxic to fish. Long term expose to as little as 0.3 mg\/L is enough to kill most fish within an aquarium\u003c\/p\u003e\n\u003ctable id=\"jQuant\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e0 - 0.8 - 1.5 - 3.0 mg\/L OCl\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Johnson Analytica","offers":[{"title":"Default Title","offer_id":55098413187445,"sku":"344.001","price":4.25,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0574\/5511\/6439\/files\/Free-Chlorine-3-Aqaurium-single-testing---Check2O.jpg?v=1740578309"},{"product_id":"check-o-aquarium-nitrite","title":"Check₂O Aquarium Nitrite","description":"\u003ch2 class=\"text-center mb-5 bold-text\"\u003eCheck₂O Aquarium Nitrite\u003c\/h2\u003e\n\u003cp\u003e0 - 0.5 - 1 - 5 - 10 mg\/L NO₂⁻\u003c\/p\u003e\n\u003cp\u003eNitrite is also extremely toxic to aquatic life. Nitrite is formed by the conversion of ammonia via nitrifying bacteria on biofilters. Ideally, no nitrite should be present in aquariums but 0.75ppm is the level where stress is induced. Nitrite is removed from aquariums via the same biofilter and nitrifying bacteria by conversion to nitrate, but this takes time. Nitrite is usually removed via a complete water change.\u003c\/p\u003e","brand":"Johnson Analytica","offers":[{"title":"Default Title","offer_id":55098422296949,"sku":"346.001","price":4.25,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0574\/5511\/6439\/files\/Screenshot2025-02-20at14-32-45JohnsonAnalytica.png?v=1740578401"},{"product_id":"check-o-aquarium-nitrate-nitrite","title":"Check₂O Aquarium Nitrate - Nitrite","description":"\u003ch2 class=\"text-center mb-5 bold-text\"\u003eCheck₂O Aquarium Nitrate - Nitrite\u003c\/h2\u003e\n\u003cp\u003e0 - 10 - 25 - 50 - 100 - 250 mg\/L NO₃⁻\u003cbr\u003e0 - 0.5 - 1 - 5 - 10 mg\/L NO₂⁻\u003c\/p\u003e\n\u003cp\u003eNitrate is formed by conversion of nitrite via nitrifying bacteria on the biofilter. Except in very high concentrations, nitrate is nontoxic to aquatic life. This nitrate can be removed in two different ways. Nitrates are important nutrients for plants and can be absorbed by any aquatic plants that are in the environment. Nitrates can also be removed on the biofilter by denitrifying bacteria via a conversion to nitrogen gas. Starting from ammonia this is known as the nitrogen cycle. In a stable aquarium, conversion of ammonia through to nitrogen gas should proceed without any detectable problems. \u003c\/p\u003e","brand":"Johnson Analytica","offers":[{"title":"Default Title","offer_id":55098432618869,"sku":"347.001","price":4.75,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0574\/5511\/6439\/files\/Nitrate-250---Nitrite-10---Aqaurium-single-testing---Check2O.jpg?v=1740578431"},{"product_id":"check-o-aquarium-6-in-1-test-strips","title":"Check₂O Aquarium 6 in 1 Test Strips","description":"\u003ch2 class=\"text-center mb-5 bold-text\"\u003eCheck₂O Aquarium 6 in 1 Test Strips\u003c\/h2\u003e\n\u003cp\u003eCheck₂O 6 in 1 test strips allow for full control of all aspects of aquarium and pond maintenance on a single test strip.\u003c\/p\u003e\n\u003cp\u003e0 - 10 - 25 - 50 - 100 - 250 mg\/L NO₃⁻\u003cbr\u003e0 - 0.5 - 1 - 5 - 10 mg\/L NO₂⁻\u003cbr\u003e0 - 4 - 8 - 16 - 21 od as CaCO3\u003cbr\u003e0 - 0.8 - 1.5 - 3.0 mg\/L OCl⁻\u003cbr\u003e6.4 - 6.8 - 7.2 - 7.6 - 8.0 - 8.4\u003cbr\u003e0 - 3 - 6 - 10 - 15 - 20 od as CaCO₃\u003c\/p\u003e","brand":"Johnson Analytica","offers":[{"title":"Default Title","offer_id":55098452476277,"sku":"340.001","price":7.45,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0574\/5511\/6439\/files\/6-in-1-Aqaurium-single-testing---Check2O.jpg?v=1740577901"},{"product_id":"check-o-aquarium-nitrate","title":"Check₂O Aquarium Nitrate","description":"\u003ch2 class=\"text-center mb-5 bold-text\"\u003eCheck₂O Aquarium Nitrate\u003c\/h2\u003e\n\u003cp\u003e6.4 - 6.8 - 7.2 - 7.6 - 8.0 - 8.4\u003c\/p\u003e\n\u003cp\u003eNitrate is formed by conversion of nitrite via nitrifying bacteria on the biofilter. Except in very high concentrations, nitrate is nontoxic to aquatic life. This nitrate can be removed in two different ways. Nitrates are important nutrients for plants and can be absorbed by any aquatic plants that are in the environment. Nitrates can also be removed on the biofilter by denitrifying bacteria via a conversion to nitrogen gas. Starting from ammonia this is known as the nitrogen cycle. In a stable aquarium, conversion of ammonia through to nitrogen gas should proceed without any detectable problems.\u003c\/p\u003e\n\u003cp\u003eNitrite is also extremely toxic to aquatic life. Nitrite is formed by the conversion of ammonia via nitrifying bacteria on biofilters. Ideally, no nitrite should be present in aquariums but 0.75ppm is the level where stress is induced. Nitrite is removed from aquariums via the same biofilter and nitrifying bacteria by conversion to nitrate, but this takes time. Nitrite is usually removed via a complete water change. \u003c\/p\u003e","brand":"Johnson Analytica","offers":[{"title":"Default Title","offer_id":55098459160949,"sku":"348.001","price":2.58,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0574\/5511\/6439\/files\/pH-6.4---8.4-Aqaurium-single-testing---Check2O.jpg?v=1740578456"},{"product_id":"check-o-aquarium-water-hardness","title":"Check₂O Aquarium Water Hardness","description":"\u003ch2 class=\"text-center mb-5 bold-text\"\u003eCheck₂O Aquarium Water Hardness\u003c\/h2\u003e\n\u003cp\u003eWater hardness is often referred to as calcium hardness. Water Hardness can vary across different areas as it is solely dependent on what water is used to fill the aquarium The best range of hardness in an aquarium will depend on what species of fish are being kept or if any breeding is to take place as calcium is critical to fry development.\u003c\/p\u003e\n\u003ctable id=\"jQuant\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e0 - 4 - 8 - 16 - 21 od as CaCO₃\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Johnson Analytica","offers":[{"title":"Default Title","offer_id":55098517062005,"sku":"349.001","price":4.25,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0574\/5511\/6439\/files\/Screenshot2025-02-20at15-05-24JohnsonAnalytica.png?v=1740063929"},{"product_id":"test-all-water-aquarium-7-in-1-test-strips","title":"Test All Water: Aquarium 7 in 1 Test Strips","description":"\u003ch2\u003eCheck₂O Aquarium 7 in 1 Test Strips\u003c\/h2\u003e\n\u003cp\u003eEffectively measure the carbon dioxide (CO₂) level within your aquarium or pond with the Check2O 7 in 1 test strip. Any plant life within the aquarium will need a certain level of CO₂ to be able to photosynthesise. However, if the CO₂ level rises too high, the fish within the aquarium will suffer stress.\u003c\/p\u003e\n\u003cp\u003e0 - 10 - 25 - 50 - 100 - 250 mg\/L NO₃⁻\u003cbr\u003e0 - 0.5 - 1 - 5 - 10 mg\/L NO₂⁻\u003cbr\u003e0 - 4 - 8 - 16 - 21 od as CaCO3\u003cbr\u003e0 - 0.8 - 1.5 - 3.0 mg\/L OCl⁻\u003cbr\u003e6.4 - 6.8 - 7.2 - 7.6 - 8.0 - 8.4\u003cbr\u003e0 - 3 - 6 - 10 - 15 - 20 od as CaCO₃\u003cbr\u003e1 - 2 - 6 - 15 - 40 CO₂\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e339.002: 25 Pack\u003c\/p\u003e\n\u003cp\u003e339.001: 50 Pack\u003c\/p\u003e","brand":"TEST ALL WATER","offers":[{"title":"25","offer_id":55633512202613,"sku":"339.002","price":7.84,"currency_code":"GBP","in_stock":true},{"title":"50","offer_id":55633512235381,"sku":"339.003","price":7.84,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0574\/5511\/6439\/files\/120394_a2283fd6-a9cc-4128-aa56-ad74fae971880.jpg?v=1748522884"}],"url":"https:\/\/testallwater.co.uk\/collections\/check20-aquarium-test-strips.oembed","provider":"Test All Water","version":"1.0","type":"link"}