{"title":"Aquarium Test Kits","description":"\u003cp\u003eKeeping an eye on your reef tank levels is a must in reef keeping. A happy tank with good parameters will thrive and grow while an imbalance will cause chaos in your tank. At Kraken Corals we have a great selection of test kits to cover all aspects of your hobby and help to ensure consistent environment for your reef and fish. From beginner testing kits to ICP tests and complete monitoring systems, we have a huge range of testing kits available to help your tank thrive. \u003c\/p\u003e\r\n\u003cp\u003eOne of the most common problems in amateur tanks is algae so tackling this early on with good testing can help you stop the spread of the problem. We stock testing kits from top brands including Aquaforest, ATI Aquaristik, Hanna Instruments, Red Sea, Salifert and many more. As you' expect we have suitable solutions for hobbyists as well as professionals so look at our full selection of kits below.\u003c\/p\u003e\r\n\u003cp\u003eNeed help finding the right testing kit for your aquarium? Our professional and friendly team will be happy to help, just give us a call today on 01254 235 130. Whether you need a refractometer, Hanna checker, Calcium or Phosphate test we have you covered. \u003c\/p\u003e","products":[{"product_id":"seachem-ammonia-alert-1year","title":"Seachem Ammonia Alert (1Year)","description":"\u003cp\u003eAmmonia Alert® is an innovative color device for continuously detecting and monitoring toxic free ammonia. A sensor changes reversibly from yellow to green to blue, relative to the ammonia concentration. No test kits, chemicals, or procedures are needed. The device detects less than 0.05 mg\/L (ppm) free ammonia and alerts you to the #1 killer before any sign of stress. It lasts over a year. Marine or freshwater use.\u003c\/p\u003e\u003cp\u003eIn the absence of free ammonia the unit will assume a yellow or faint yellow-green color. It is normal for the dry sensor to have a greenish hue. It may take up to a few days for a dry sensor to equilibrate with the water. No sampling of water, chemicals, or test procedures are required. The presence of the free ammonia is detectable continuously with a response time of about 15 minutes. Response to decreasing ammonia is slower, requiring about 4 hours to go from TOXIC to SAFE on removal of ammonia.\u003c\/p\u003e\u003cp\u003eAmmonia Alert® lasts over 9 times as long as competing products (over a year compared to 4-6 weeks). Ammonia Alert® is also almost half the size of competing products (1.5\" x 2.5\"). It's small, clear, and unobtrusive, so it won't detract from the view of your aquarium.\u003c\/p\u003e\u003ch4 class=\"heading-primary\"\u003eInterpretation\u003c\/h4\u003e\u003cp\u003eAs little as 0.02 mg\/L of free ammonia will produce a greenish hue on the detector surface. This corresponds to a total ammonia (both ionized and free ammonia) of 0.25 mg\/L in marine water at pH 8.3. In freshwater at pH 7.0, this corresponds to 3.6 mg\/L total ammonia. Free ammonia is much more toxic than ionized ammonia. As free ammonia, the ALERT color corresponds to about 0.05 mg\/L, ALARM to about 0.2 mg\/L, and TOXIC to about 0.5 mg\/L. The ALERT concentration is tolerated for several days, ALARM for a few days, and TOXIC is rapidly harmful. For emergency ammonia removal, treat with \u003ca href=\"https:\/\/seachem.com\/amguard.php\"\u003eAmGuard™\u003c\/a\u003e. This product is not recommended for use at acid pH.\u003c\/p\u003e\u003ch4 class=\"heading-primary\"\u003eCare\u003c\/h4\u003e\u003cp\u003eNo care is required beyond removing algae with a clean, soft material. Avoid touching the sensor with fingers, since skin oils can damage it. Do not use bleach, soap, detergents or hard objects to clean the sensor. Some dye medications may discolor the sensor. Sensitivity improves with age, provided the unit is not allowed to dry out, however, drying does not permanently impair the unit. For maximum sensitivity, the unit should be read under natural daylight or daylight simulating light. Red enhancing light minimizes green and blue hues, decreasing the apparent sensitivity of the unit. The response of the unit may be checked by holding it briefly over the mouth of an ammonia bottle: color should develop rapidly.\u003c\/p\u003e","brand":"Seachem","offers":[{"title":"Default Title","offer_id":57054408671563,"sku":"SEACHEM-AMMONIAALERT","price":12.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1033\/7065\/4027\/files\/a_m_ammonia-alert_73.jpg?v=1776422354"},{"product_id":"seachem-multitest-copper-75-test","title":"Seachem Multitest Copper 75 tests","description":"\u003cp\u003e\u003cspan\u003eThis kit measures all types of copper to less than 0.01 mg\/L in marine or freshwater. It uses a highly sensitive catalysis based procedure. MultiTest\u003c\/span\u003e\u003cspan\u003e™\u003c\/span\u003e\u003cspan\u003e: Copper performs over 75 tests and contains a reference sample for validation. Range: 0–0.80 mg\/L. Precision: 0.025mg\/L \u0026amp; 0.0025 mg\/L.\u003c\/span\u003e\u003c\/p\u003e","brand":"Seachem","offers":[{"title":"Default Title","offer_id":57054408769867,"sku":"SEACHEM-MULTITESTCOPPER75TEST","price":12.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1033\/7065\/4027\/files\/m_u_multitest-copper_74.jpg?v=1776422333"},{"product_id":"salifert-strontium-test-kit-40t","title":"Salifert Strontium Test Kit 40T","description":"\u003cp\u003eIn a marine aquarium strontium plays an important role in accelerating the growth of coral and calcareous algae and natural sea water contains approx. 7 - 9 mg\/L strontium.\u003c\/p\u003e\u003cp\u003eStrontium is very difficult to test for, but if there is found to be a depletion of calcium in the aquarium then strontium levels are likely to be very low as well. It is advisable to maintain a strontium concentration of between 5 and 20 mg\/L.\u003c\/p\u003e\u003cp\u003eSalifert was the first to introduce a strontium test kit and this test measures both ionically free and moderately complex strontium in increments of 5 mg\/L. Sufficient for up to 40 tests. For marine use only.\u003c\/p\u003e","brand":"Salifert","offers":[{"title":"Default Title","offer_id":57054417748299,"sku":"SAL-STR","price":19.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1033\/7065\/4027\/files\/6_6_662011_33.jpg?v=1776422441"},{"product_id":"salifert-phosphate-test-kit-60t","title":"Salifert Phosphate Test Kit 60T","description":"\u003cp\u003ePhosphate has several negative effects if present in a too high concentration. First of all undesirable algae growth might result. Making an aquarium an unpleasant sight.\u003c\/p\u003e\u003cp\u003ePhosphate also blocks or retards the growth of corals and calcareous algae. One of the scientific studies shows that a phosphate concentration higher than 0.05 mg\/L decreases the growth of calcareous algae by 90%!\u003c\/p\u003e\u003cp\u003eWashing fish food, which is a rich source for phosphates in a sieve after thawing reduces the input of phosphate tremendously. Also avoiding use of phosphate-rich low-grade activated carbon helps keep phosphate levels as low as possible. Checking the activated carbon for phosphate prior to use is therefore highly recommended.\u003c\/p\u003e","brand":"Salifert","offers":[{"title":"Default Title","offer_id":57054417912139,"sku":"SAL-PHOS","price":10.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1033\/7065\/4027\/files\/6_6_662004_34.jpg?v=1776422447"},{"product_id":"salifert-iodine-test-kit-40t","title":"Salifert Iodine Test Kit 40T","description":"\u003cp\u003eSalifert test kits are the epitome of accuracy and precision. Their wide range of available tests have all been designed to detect the smallest traces of certain elements, without interference from other chemicals within the water.\u003c\/p\u003e\u003cp\u003eSimply put, these are the best test kits you can buy- hands down. The sharp, contrasting color changes make results easy to read so there's no second guessing. Trust your aquarium to Salifert.This test will accurately measure the form of iodine found in seawater, iodate. Saltwater test.\u003c\/p\u003e","brand":"Salifert","offers":[{"title":"Default Title","offer_id":57054417977675,"sku":"SAL-IODINE","price":19.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1033\/7065\/4027\/files\/6_6_662008_35.jpg?v=1776422453"},{"product_id":"salifert-nitrite-test-kit-50t","title":"Salifert Nitrite Test Kit 50T","description":"\u003cp\u003eThe Salifert Profi Test - Nitrite NO2 test kit will accurately measure nitrate levels in both freshwater and saltwater aquariums.\u003c\/p\u003e\u003cp\u003eThe Salifert Nitrite test kit has two different scales: an ultra-low scale for nitrite-nitrogen which ranges from 0.002 - 0.12 mg\/L, and a medium scale for nitrite-nitrogen which ranges from 0.02 - 1.2 mg\/L.\u003c\/p\u003e","brand":"Salifert","offers":[{"title":"Default Title","offer_id":57054418338123,"sku":"SAL-NITRITE","price":9.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1033\/7065\/4027\/files\/6_6_662002_36.jpg?v=1776422458"},{"product_id":"salifert-nitrate-test-kit-1-200","title":"Salifert Nitrate Test Kit 1-200","description":"\u003cp\u003eWhen there are insufficient areas of a tank which are deprived of oxygen (anaerobic zones) or denitrification is not taking place properly, nitrate will build up. This can also happen in an aquarium where the biological loading on the system is causing an imbalance e.g. if there is excessive livestock for the aquarium volume or over feeding is occurring.\u003c\/p\u003e\u003cp\u003eThe build up of nitrate can result in unwanted algae growth and the slowing down of coral growth. The nitrate concentration in a reef aquarium should be lower than 1 mg\/L, although fish only aquariums would usually have a higher concentration. Just as with nitrite, many nitrate test kits are prone to amine interference which can make the levels of nitrate appear much lower than they actually are.\u003c\/p\u003e\u003cp\u003eThe Salifert test kit does not suffer from such interference and gives accurate and quick results with a total testing time of less than 3 minutes. The test kit’s range goes from a very low to a very high nitrate concentration (approx. 0.2 - 100 mg\/L as total nitrate). Sufficient for 50 tests. This test offers two ranges: Low range: 0.2 - 10 mg\/L (ppm) as nitrate. Medium range: 2 - 100 mg\/L (ppm) as nitrate.\u003c\/p\u003e","brand":"Salifert","offers":[{"title":"Default Title","offer_id":57054418436427,"sku":"SAL-NITRATE","price":10.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1033\/7065\/4027\/files\/6_6_662003_37.jpg?v=1776422444"},{"product_id":"salifert-calcium-test-50-100t","title":"Salifert Calcium Test 50-100T","description":"\u003cp\u003eCalcium is a major constituent of coralline algae, the skeletal material of hard corals and the skeletal needles of soft\/leather corals. In many cases too low a calcium concentration retards coral and coralline algae growth.\u003c\/p\u003e\u003cp\u003eCalcium also fulfills many important biological functions. In a healthy aquarium, the growth and multiplication of corals, calcareous algae and other organisms can result in calcium depletion\u003c\/p\u003e\u003cp\u003eTo maintain a stable environment it is important that the calcium content should not fluctuate by more than 15 mg\/L from the optimum range of 420 - 450 mg\/L so regular testing should be carried out. This means that any calcium test used should have an accuracy of significantly less than 15mg\/L otherwise it will be difficult to monitor such fluctuations.\u003c\/p\u003e\u003cp\u003eThe Salifert test kit measures in steps of 5 mg\/L and has an accuracy of 10 mg\/L. The color change is precise, detecting small but significant fluctuations in the concentration of calcium. The test is not affected by magnesium. Sufficient for 50-100 tests. Can be used for marine water, freshwater and garden pond water\u003c\/p\u003e","brand":"Salifert","offers":[{"title":"Default Title","offer_id":57054418731339,"sku":"SAL-CALCIUM","price":13.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1033\/7065\/4027\/files\/6_6_662010_38.jpg?v=1776422449"},{"product_id":"salifert-kh-alkalinity-test-50t","title":"Salifert KH \u0026 Alkalinity Test 50T","description":"\u003cp\u003eCalcium is not the only substance needed to form the skeletal material of corals and allow calcareous algae to grow. Carbonate and bicarbonate are also needed and these two substances can have a major effect on stabilizing or buffering pH levels in the aquarium in the correct range of 8.1 to 8.4.\u003c\/p\u003e\u003cp\u003eThe total carbonate and bicarbonate concentration is also called alkalinity or carbonate hardness and for a stable system the alkalinity should not fluctuate by more than 5% from the optimum level of approx. 2.8 meq\/L i.e. a maximum fluctuation of 0.14 meq\/L.\u003c\/p\u003e\u003cp\u003eThe Salifert test is sensitive enough to detect small changes in levels of alkalinity, measuring in steps of 0.1 meq\/L and demonstrating a very sharp color change. Sufficient for 100 to 200 tests. The Salifert KH + pH buffer additive makes correction of the alkalinity or carbonate hardness simple and does not upset the pH of the system Can be used for marine water, frewshwater and garden pond water\u003c\/p\u003e","brand":"Salifert","offers":[{"title":"Default Title","offer_id":57054418829643,"sku":"SAL-KH","price":9.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1033\/7065\/4027\/files\/6_6_662001_39.jpg?v=1776422455"},{"product_id":"salifert-ph-salt-test-kit-50t","title":"Salifert PH Salt Test Kit 50T","description":"\u003cp\u003eThe pH value in a marine tank has a major impact on the growth of corals and calcareous algae and on many biological processes.\u003c\/p\u003e\u003cp\u003eThe pH should not be allowed to fluctuate more than approx. 0.2 units during any 24 hour period and should preferably be kept above 8.2. If the pH is too low then the cause may be a too low alkalinity and\/or a build up of carbon dioxide caused by insufficient aeration A low pH can be corrected by improving aeration and by increasing the alkalinity.\u003c\/p\u003e\u003cp\u003eThe Salifert Test Kit is sufficiently accurate to monitor minor pH fluctuations and is scaled from pH 7.4–8.7. Sufficient for 50 tests. For marine water only.\u003c\/p\u003e","brand":"Salifert","offers":[{"title":"Default Title","offer_id":57054418960715,"sku":"SAL-PH","price":7.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1033\/7065\/4027\/files\/6_6_662000_40.jpg?v=1776422460"},{"product_id":"salifert-salt-test-boron-25t","title":"Salifert Salt Test Boron 25T","description":"\u003cp\u003eBoron is present in NSW (Natural Sea Water) in a moderately low concentration (4.4 - 4.8 mg\/L or ppm). It is present predominantly as boric acid and to a lesser extent as borate. It has several important biological functions and our results show that a too low boron concentration might slow down growth of corals and coralline algae.\u003c\/p\u003e\u003cp\u003eBoron also has some positive effect in buffering NSW especially in the range of pH 8.1 - 8.3. In most aquariums, boron is depleted very slowly yet steadily. In some aquariums, boron is present in a very high concentration. This is due to use of bad quality salt with highly elevated boron concentration or supplements with elevated boron concentration.\u003c\/p\u003e","brand":"Salifert","offers":[{"title":"Default Title","offer_id":57054419059019,"sku":"SAL-BORON","price":14.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1033\/7065\/4027\/files\/6_6_662013_41.jpg?v=1776422466"},{"product_id":"salifert-magnesium-test-25-50t","title":"Salifert Magnesium Test 25-50T","description":"\u003cp\u003eSuitable for Marine waters Magnesium is present in NSW in a fairly high concentration (1300 - 1400 mg\/L). Magnesium is an essential part of chlorophyll, which is necessary for photosynthesis. Without photosynthesis plants, including algae and the corals, which we usually have in our aquariums, would not be able to live.\u003c\/p\u003e\u003cp\u003eMagnesium has another important function since in fact makes maintaining the correct combination of calcium concentration and alkalinity or carbonate hardness possible.The explanation is as follows. Calcium forms with carbonates and bicarbonates an insoluble compound called calcium carbonate. Yes this is indeed an important building stone for corals and calcareous algae but then it should be formed by biological processes and be deposited at the right place. Therefore formation of calcium carbonate by chemical processes should be avoided. Even without biological interference calcium carbonate would be formed and would deplete calcium and alkalinity or carbonate hardness without fulfilling any function. In fact it will scavenge many important trace elements as well lowering the trace element concentration.Magnesium slows down this negative process. The lower the magnesium concentration the faster this negative process will take place and also at a much lower calcium and alkalinity\/carbonate hardness value.\u003c\/p\u003e\u003cp\u003eMaintaining a correct magnesium concentration is therefore very important and is indirectly responsible for fast coral and calcareous algae growth by virtue of making the maintenance of correct calcium and alkalinity figures possible.Magnesium is depleted by algae and is also depleted by the use of excessive kalkwasser and by going far beyond natural calcium and alkalinity and pH values. There are also certain brands of salt, which have or had a dramatically low magnesium content. Use of such a salt will result in permanent problems with calcium and carbonate hardness values. Conclusion:The measurement of magnesium and taking corrective measures are justified. \u003c\/p\u003e","brand":"Salifert","offers":[{"title":"Default Title","offer_id":57054419255627,"sku":"SAL-MAGNES","price":13.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1033\/7065\/4027\/files\/6_6_662007_42.jpg?v=1776422472"},{"product_id":"salifert-ammonia-test-kit-50t","title":"Salifert Ammonia Test Kit 50T","description":"\u003cp\u003eAmmonia and ammonium are substances which should be converted rapidly into nitrite followed by nitrate and nitrogen gas. If this does not happen then the aquarium is not fully cycled or biological processes are not proceeding as they should. The Salifert Ammonia test is very straightforward and measures the sum of toxic ammonia and ammonium in just a few minutes. The kit can perform approx. 50 measurements and can detect 0.5 ppm of total ammonia easily.\u003c\/p\u003e","brand":"Salifert","offers":[{"title":"Default Title","offer_id":57054419419467,"sku":"SAL-AMMON","price":9.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1033\/7065\/4027\/files\/6_6_662006_43.jpg?v=1776422459"},{"product_id":"refractometer-with-seawater-calibration","title":"D-D Refractometer for Seawater","description":"\u003cp\u003eA refractometer is a simple and robust way of accurately measuring the salinity within your aquarium and should be used by every serious marine aquarist.\u003c\/p\u003e\u003cp\u003eThis refractometer unlike some cheaper alternatives is specifically calibrated and designed for seawater testing so is ideal for your marine aquarium.\u003c\/p\u003e","brand":"D-D The Aquarium Solution","offers":[{"title":"Default Title","offer_id":57054419976523,"sku":"DD-REFRACT","price":39.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1033\/7065\/4027\/files\/y_g_ygoapgbhsnp_48.jpg?v=1776422462"},{"product_id":"seachem-marine-basic-test-75-tests","title":"Seachem Marine Basic Test 75 Tests","description":"\u003cp\u003e\u003cspan\u003eThis kit combines the Marine pH \u0026amp; Alkalinity, Ammonia and Nitrite \u0026amp; Nitrate kits into one kit. MultiTest\u003c\/span\u003e\u003cspan\u003e™\u003c\/span\u003e\u003cspan\u003e Marine Basic performs over 75 tests and contains a reference sample for validation. Range: pH: 7.80–8.70, alkalinity: 0–∞ , NH\u003c\/span\u003e\u003cspan\u003e3\u003c\/span\u003e\u003cspan\u003e : 0–6 mg\/L, NO\u003c\/span\u003e\u003cspan\u003e2\u003c\/span\u003e\u003cspan\u003e : 0-25 mg\/L, NO\u003c\/span\u003e\u003cspan\u003e3\u003c\/span\u003e\u003cspan\u003e : 0–50 mg\/L. Precision: pH: 0.01 pH units, alkalinity: 0.5 meq\/L, NH\u003c\/span\u003e\u003cspan\u003e3\u003c\/span\u003e\u003cspan\u003e : 0.01–0.1 mg\/L, NO\u003c\/span\u003e\u003cspan\u003e2\u003c\/span\u003e\u003cspan\u003e \/NO\u003c\/span\u003e\u003cspan\u003e3\u003c\/span\u003e\u003cspan\u003e: 0.1–1 mg\/L\u003c\/span\u003e\u003c\/p\u003e","brand":"Seachem","offers":[{"title":"Default Title","offer_id":57054420369739,"sku":"SEACHEM-BASIC","price":28.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1033\/7065\/4027\/files\/0_2_020626_50.jpg?v=1776422484"},{"product_id":"salifert-copper-test-kit-50t","title":"Salifert Copper Test Kit 50T","description":"\u003cp\u003eCopper is often used as a treatment for parasite infested fish and it is essential that the correct concentration is used as too high levels can be toxic to marine fish and invertebrates.\u003c\/p\u003e\u003cp\u003eTap water can also be naturally high in copper and it is therefore advisable to test for this on a regular basis.\u003c\/p\u003e\u003cp\u003eThe Salifert test kit offers a very sensitive and accurate test for measuring dissolved or weakly chelated copper with a pH of 7.5–9. •Lasts for several copper cures or provides sufficient for up to 50 tests on tap or aquarium water as a routine check.\u003c\/p\u003e\u003cp\u003eCa be used for marine, fresh and garden pond water •Strongly chelated copper will only be partly or not at all detected.\u003c\/p\u003e","brand":"Salifert","offers":[{"title":"Default Title","offer_id":57054421942603,"sku":"SAL-COPPER","price":9.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1033\/7065\/4027\/files\/6_6_662009_56.jpg?v=1776422506"},{"product_id":"nyos-reefer-test-kit-calcium","title":"Nyos Reefer Calcium Test Kit","description":"\u003cp\u003e\u003cstrong\u003eNYOS® REEFER test kits - taking measurements at the laboratory level at an attractive price\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eWater properties as close to nature are the key for every aquarium's success. However, monitoring relevant parameters in seawater is difficult due to numerous interfering ions. Therefore, test kits considering the specific characteristics of seawater are needed to analyse the water precisely.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eNYOS® REEFER test kits offer the customer two significant benefits: \u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eHighly precise analyses for seawater conditions. 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This Test Kit contains sufficient reagents to perform 40 tests of phosphate concentration.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eBox contents:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eReagent A-PO4 bottle Reagent B-PO4 container 1 test vial with a screw cap Syringe – 5 ml Syringe – 1 ml Measuring spoon Instruction manual Color chart\u003c\/p\u003e","brand":"Aquaforest","offers":[{"title":"Default Title","offer_id":57054649221451,"sku":"AF-PHOSPHATE-TEST","price":18.9,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1033\/7065\/4027\/files\/a_f_afphos_147.jpg?v=1776424412"},{"product_id":"focustronic-alkatronic-alkalinity-monitor-uk-version-1","title":"Focustronic Alkatronic \u0026 Reagent Pack","description":"\u003cp\u003eAlkatronic is an all in one product for serious reefers to automatically monitor and stabilize alkalinity for your reef system. The product works straight out of the box without the need of any other equipment. 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Please check your Multi Referenz bottle for the respective values.\u003c\/p\u003e\u003cp\u003eCalcium – 425 mg\/L\u003cbr\u003eMagnesium – 1,315 mg\/L\u003cbr\u003ePotassium – 375 mg\/L\u003cbr\u003eSalinity – 33.9 ppt (51.6 mS) @ 75°F\u003cbr\u003eAlkalinity – 7 DKH (2.5 meq\/L)\u003cbr\u003eStrontium – 7.1 mg\/L\u003cbr\u003eNitrate – 11.5 mg\/L\u003cbr\u003ePhosphate – 0.05 mg\/L\u003c\/p\u003e\u003cp\u003eMulti-Reference Solution is especially useful for Testing the validity of new test kits Verifying results after unexpected test results Testing kits that were stored for a long time Checking an expired test kit’s accuracy Calibrating your refractometer Example\u003c\/p\u003e\u003cp\u003eMeasurement of the reference solution with a magnesium test gives you a result of 1,000 mg\/L.\u003c\/p\u003e\u003cp\u003eThe reference solution however contains 1,314 mg\/L The ratio therefore is: 1,314 mg\/L : 1,000 mg\/L The correction factor is noted on the magnesium test A later measurement with this magnesium test results in the aquarium water: 1,300 mg\/L Calculation: 1,300 mg\/L * 1.314 = 1,708.2 mg\/L\u003c\/p\u003e","brand":"Fauna Marin","offers":[{"title":"Default Title","offer_id":57054670094667,"sku":"FAUNAMARIN-MULTREFERTEST100","price":13.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1033\/7065\/4027\/files\/m_u_multireference_rgb_frei_82.jpg?v=1776424615"},{"product_id":"tropic-marin-multi-standard","title":"Tropic Marin Multi Standard 250ml","description":"\u003cp\u003e\u003cstrong\u003eMineral reference solution for test kits (Ca, Mg, KH, K+)\u003cbr\u003e\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eReagents in test kits can lose their effectiveness and accuracy over time due to unfavourable storage conditions, high or low temperature and through exposure to oxygen. This can then  lead to incorrect results. The respective tests should therefore be checked against a stable standard on a regular basis.\u003c\/p\u003e\u003cp\u003eTropic Marin Multi-Standard is a solution, produced in the laboratory, and tested by means of ICP-OES. The solution is made with measured concentrations of calcium, magnesium, potassium and KH\/ alkalinity. It can be used to check the accuracy of test kits for those parameters and to calculate a correction factor, if the test kit is found to have a variance.\u003c\/p\u003e","brand":"Tropic Marin","offers":[{"title":"Default Title","offer_id":57054756110667,"sku":"TROPIC-MULTISTD","price":13.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1033\/7065\/4027\/files\/28150-multi-standard-250ml.jpg?v=1776425695"},{"product_id":"tropic-marin-np-standard-50ml","title":"Tropic Marin NP-Standard 50ml","description":"\u003cp\u003eMineral reference solution for test kits (NO3, PO4)\u003c\/p\u003e\u003cp\u003eReagents in test kits can lose their effectiveness and accuracy over time due to unfavourable storage conditions, high or low temperature and through exposure to oxygen. This can then lead to incorrect results. The respective tests should therefore be checked against a stable standard on a regular basis.\u003c\/p\u003e\u003cp\u003eTropic Marin NP Standard consists of a solution with nitrate and phosphate, in known concentrations, prepared in the test laboratory. It allows you to quickly check the precision of test kits for nitrate and phosphate. The deviation can be determined and a correction factor can be calculated as necessary.\u003c\/p\u003e","brand":"Tropic Marin","offers":[{"title":"Default Title","offer_id":57054756208971,"sku":"TROPIC-NPSTD","price":11.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1033\/7065\/4027\/files\/28160-np-standard-50ml.jpg?v=1776425701"},{"product_id":"triton-icp-test-x3-pack","title":"Triton ICP Test x3 Pack","description":"\u003cp\u003e\u003cstrong\u003eEasy Simple Steps for a comprehensive water test.\u003c\/strong\u003e\u003cbr\u003eSignup for an online account\u003cbr\u003eSend your water sample off to the lab for analysis\u003cbr\u003eWait for the results\u003c\/p\u003e\u003cp\u003eEach TRITON LAB ICP water analysis is a accurate snapshot of the water quality in your system. We analysis for a comprehensive suite of macro and trace elements crucial to healthy function of your reef system:\u003c\/p\u003e\u003cp\u003eSodium (Na), Calcium (Ca), Magnesium (Mg), Potassium (K), Strontium (Sr), Boron (B), Bromine (Br), Sulphur (S), Lithium (Li), Beryllium (Be), Barium (Ba), Titanium (Ti), Vanadium (V), Chromium (Cr), Manganese (Mn), Iron (Fe), Cobalt (Co), Nickel (Ni), Copper (Cu), Zinc (Zn), Aluminium (Al), Silicon (Si), Arsenic (As), Antimony (Sb), Tin (Sn), Cadmium (Cd), Selenium.\u003c\/p\u003e\u003cp\u003e \u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIncludes 3x Triton ICP Tests\u003c\/strong\u003e\u003c\/p\u003e","brand":"Triton","offers":[{"title":"Default Title","offer_id":57054782521675,"sku":"TRITON-ICP3PACK","price":89.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1033\/7065\/4027\/files\/new-icp-oes-package-three-pack-1000x1000__14485.1596208864.jpg?v=1776425950"},{"product_id":"d-d-auto-aqua-smart-stir-replacement-magnetic-bean","title":"D-D Auto Aqua Smart Stir Replacement Magnetic Bean","description":"\u003cp\u003eThe AutoAqua smart stir replacement magnetic bean \/ magnetic pill \/ magnetic bead. Just in-case you accidentally lost yours or dropped it down the drain.\u003c\/p\u003e","brand":"Auto Aqua","offers":[{"title":"Default Title","offer_id":57054788583755,"sku":"D-D-AUTOSMARTSTIRBEAN","price":3.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1033\/7065\/4027\/files\/image_13931.jpg?v=1776426124"},{"product_id":"fauna-marin-nitrate-nitrite-refill-kit","title":"Fauna Marin Nitrate\/Nitrite Refill Kit","description":"\u003cp\u003eRefill kit and also available to use in Focustronic Mastertronic\u003c\/p\u003e","brand":"Fauna Marin","offers":[{"title":"Default Title","offer_id":57054813389131,"sku":"FAUNAMARN-NO3NO4-REFILL","price":16.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1033\/7065\/4027\/files\/ezgif-3-c958c0ec536b.jpg?v=1776426306"},{"product_id":"api-calcium-test-kit","title":"API Calcium Test Kit","description":"\u003cp\u003eCalcium is one of the most important elements in a reef aquarium. Reef invertebrates such as corals, crustaceans, molluscs and even some types of encrusting algae need calcium to grow and remain healthy. Over time, calcium levels drop as invertebrates use calcium in aquarium water.\u003c\/p\u003e\u003cp\u003eThis kit allows you to easily and accurately measure calcium levels and maintain a healthy reef aquarium. Measures calcium levels as low as 20mg\/L.\u003c\/p\u003e\u003cp\u003eUses titration method, with easy to see colour change for precise measurement.\u003c\/p\u003e\u003cp\u003eFor use in reef aquariums.\u003c\/p\u003e","brand":"API","offers":[{"title":"Default Title","offer_id":57054814798155,"sku":"API-CALCIUM-TEST","price":12.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1033\/7065\/4027\/files\/api-calcium-test-kit.jpg?v=1776426322"},{"product_id":"elos-nitrate-no3-test-kit","title":"Elos NO3 Nitrate Test Kit","description":"\u003cp\u003eBiological filtration is a method that uses naturally occurring nitrifying bacteria to detoxify nitrogenous wastes. One type of bacteria (Nitrosomonas spp.) converts ammonia to nitrite while another naturally occurring bacteria (Nitrobacter spp.)e nitrite into a far less harmful form of nitrogen wast converts the: nitrate. Nitrate is the final stage of the nitrify. Many invertebrates, unlike fish, are not tolerable to high nitrate concentrations. As a result, it is extremely important to make sure that nitrate levels do not reach high levels. In freshwater aquaria the optimal level of Nitrate should be below 20 mg\/lt. Values of over 75 mg\/lt should be avoided at all costs. In marine aquarium their level should not exceed 20 mg\/l. A level of 5-10 mg\/lt is the maximum for reef aquariums.\u003c\/p\u003e\u003cp\u003eThe NO3 reagent from ELOS, especially developed for fresh water and sea water aquarium, allows the determination of the Nitrate level with the help of a finely tuned colour scale which shows a range of 5 – 75 mg\/Lt\u003c\/p\u003e","brand":"Elos","offers":[{"title":"Default Title","offer_id":57054822728011,"sku":"ELOS-NITRATE-TEST","price":15.99,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1033\/7065\/4027\/files\/460423588_1.jpg?v=1776426424"},{"product_id":"elos-nitrite-no2-test-kit","title":"Elos NO2 Nitrite  Test Kit","description":"\u003cp\u003eBiological filtration is a method that uses naturally occurring nitrifying bacteria to detoxify nitrogenous wastes. One type of bacteria (Nitrosomonas spp.) converts ammonia to nitrite while another naturally occurring bacteria (Nitrobacter spp.) converts the nitrite into a far less harmful form of nitrogen waste: nitrate. Nitrite is a strongly toxic intermediate stage for fish and invertebrates. As its level increases, the function of haemoglobin necessary for the transport of oxygen in fishes' blood gets blocked. Lethal concentrations cause chronic stress lowering fish's resistance to parasite and bacteria attacks, reducing food intake and growth, and can result in death. Apart from that it causes damage to fishes' natural barriers and can stimulate cancer in the digestive system. Nitrite levels in excess of 0.1 mg\/L are considered dangerous to many ornamental fish as well as invertebrates for which, levels higher than 0.05 mg\/lt are already unacceptable. If bacterial oxidation process is impeded; for example by new filter material, this can lead to harmful rise in the nitrite ion concentration. For this reason, regular use of a nitrite test kit is an absolute requirement.\u003c\/p\u003e\u003cp\u003eThe NO2 Test kit from ELOS, especially developed for fresh water and sea water aquarium, allows the determination of the Nitrite level with the help of a finely tuned colour scale which shows a range of 0-2 mg\/Lt\u003c\/p\u003e","brand":"Elos","offers":[{"title":"Default Title","offer_id":57054822826315,"sku":"ELOS-NITRITE-TEST","price":15.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1033\/7065\/4027\/files\/460423536_1.jpg?v=1776426429"},{"product_id":"elos-carbonate-hardness-kh-test-kit","title":"Elos KH Carbonate Hardness Test Kit","description":"\u003cp\u003eAlkalinity is essentially a means of quantifying the stability of pH in a solution, such as aquarium water. It is a measure of the concentration of various negatively charged ionic compounds (anions) such as carbonates, bicarbonates, borate and hydroxides in the aquarium water. If left unchecked, the alkalinity drops below a critical level and pH begins to fluctuate more wildly than is normally suggested (a daily pH shift of +\/-0.2 is normal in marine aquaria), causing stress to livestock. In a marine aquarium, the alkalinity should be between 7° and 10° dKH (German carbonate hardness). In a fresh water aquarium it should never drop below 3° dKH.\u003c\/p\u003e\u003cp\u003eElos AquaTestKH makes it possible to quickly determine the buffering capacity of your aquarium water. It is an high quality product that offers high accuracy thanks to several procedures including: calibrated lab droppers with consistent and predefined drops size, NIST (National Institute of Standard and Technology) certified samples to validate reagents and strict stock management to supply to our customers ONLY the fresh test production batch available\u003c\/p\u003e","brand":"Elos","offers":[{"title":"Default Title","offer_id":57054822990155,"sku":"ELOS-KHTESTKIT","price":11.95,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1033\/7065\/4027\/files\/460423480_2.jpg?v=1776426441"},{"product_id":"elos-ph-marine-test-kit","title":"Elos pH Marine Test Kit","description":"\u003cp\u003eThe pH-value or acid value indicates how acidic or alkaline water is. It is a measure of the concentration of the acidic or alkaline components in a hydrous solution. Pure water will react neutral and has a pH-value of 7. If the acidic components are predominant, the pH value will drop below 7. If the basic components predominate, the pH value will rise above 7.\u003c\/p\u003e\u003cp\u003eIn sea water aquariums the optimum pH value is between 8.2 and 8.5 . Many organisms will react with high sensitivity to large variations of the pH-value An overly large drop or rise should be avoided whenever possible. Therefore a regular check of the pH-level is elementary necessary to note and to avoid any negative development.\u003c\/p\u003e\u003cp\u003eThe pH-reagent from ELOS especially developed for marine aquarium allows the determination of the pH-value with the help of a finely tuned colour scale which shows a range of 7.6 – 9,0 pH-units\u003c\/p\u003e","brand":"Elos","offers":[{"title":"Default Title","offer_id":57054823121227,"sku":"ELOS-PH-MARINE","price":11.95,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1033\/7065\/4027\/files\/460423602.jpg?v=1776426448"},{"product_id":"elos-cu-copper-test-kit","title":"Elos Cu Copper Test Kit","description":"\u003cp\u003eDue to a number of stress factors aquarists can experience outbreaks of parasitic diseases.\u003cbr\u003eTreatment with Copper is often the only way to cure infected fish and prevent future outbreaks of diseases. However, copper concentrations higher than therapeutic values can be toxic.\u003c\/p\u003e\u003cp\u003eThe ELOS Copper Test Kit can be used to detect copper or to measure residual copper levels before and after using copper cures. Also, great for testing tap or source water for copper.\u003c\/p\u003e","brand":"Elos","offers":[{"title":"Default Title","offer_id":57054823219531,"sku":"ELOS-COPPER-TEST","price":15.99,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1033\/7065\/4027\/files\/511541524_1.jpg?v=1776426452"},{"product_id":"elos-nh3-4-ammonia-test-kit","title":"Elos NH3\/4 Ammonia Test Kit","description":"\u003cp\u003eAmmonia (NH3) is toxic to corals, invertebrate and fishes. At high pH level (as in a marine aquarium) and at increased temperatures, NH3 can kill the aquarium inhabitants. In freshwater aquaria its optimal level should be below 0,1 mg\/lt. In marine aquarium its level should never exceed 0,05 mg\/l. (It should not be detectable by the test).\u003c\/p\u003e\u003cp\u003eElos AquaTest NH3 Test offers high accuracy thanks to several procedures including: NIST (National Institute of Standard and Technology) certified samples to validate reagents and strict stock management to supply to our customers ONLY the freshest production batch available. It allows the determination of the Ammonium (NH4+) and then, thanks to the convertion table, of the Ammonia (NH3), depending on the temperature and the pH value.\u003c\/p\u003e","brand":"Elos","offers":[{"title":"Default Title","offer_id":57054823678283,"sku":"ELOS-AMMONIATEST","price":19.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1033\/7065\/4027\/files\/460423522_1.jpg?v=1776426450"}],"url":"https:\/\/krakencorals.co.uk\/collections\/aquarium-test-kits.oembed","provider":"Kraken Corals","version":"1.0","type":"link"}