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Shop Test Kits
Fish Saltwater Test Kit
32 results
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API Saltwater Master Liquid Test Kit

As low as $24.99
The Saltwater Master Liquid Test Kit contains all you need to monitor the water in your marine aquarium to ensure the good health of your fish. These essential tests help you adjust your water parameters for the success of your marine fish. Long-lasting kits contain tests for pH (180 tests), ammonia (90 tests), nitrite (150 tests), and nitrate (75 tests). ...
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API KH/Carbonate and Calcium Test Kits

As low as $6.99
Individual liquid test solutions for KH/carbonate and calciumEssential when maintaining ideal water parametersUse for fresh or saltwater aquariums Tests aquarium water for carbonate hardness (KH) or calcium. Each test kit includes reagent(s), glass test tube with cap, and easy-to-follow instructions. Number of tests varies depending on water conditions. KH/Carbonate Test Kit can be used to ...
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Salifert Copper Test Kit

As low as $16.99
Professional test kit accurately measures copper in aquarium water Test residual copper levels before and after using copper-based medications Salifert test kits are trusted by aquarium hobbyists who demand the best Sensitive and accurate test for measuring dissolved or weakly chelated copper. The Salifert Copper Test Kit combines ease-of-use with laboratory-grade precision. Copper is often ...
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Seachem Reef Status Calcium Test Kit

As low as $22.99
Precision calcium test kit designed for reef aquarium hobbyistsMeasure aquarium calcium levels to maintain healthy coralsAccurately measures reef aquarium calcium levels in 5 mg/L increments Professional calcium test kit delivers accurate results in three easy steps. Designed specifically for the needs of today's reef aquariums, the Reef Status Calcium Test Kit measures results 5 mg/L ...
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API pH Test Kits

As low as $3.99
Easy-to-use liquid test solution measures low or high range pH Essential for maintaining proper pH levels for aquarium fish and plants Match the color of the test solution against color chart for accurate test results pH Low Range Test Kit - pH control is imperative to prevent the harmful effects of water that is either too alkaline or too acidic ...
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ELOS AquaTest Ca Calcium Test Kit

As low as $27.99
Easy to use titration calcium test kit delivers lab-quality results to home reef-aquarium hobbyists. ELOS AquaTest Ca Calcium Test Kit boasts Italian-made quality; employing highest quality reagents, validated using NIST (National Institute of Standard and Technology) certified samples for accuracy right from the source. Calibrated dropper provides consistent drop size for precise ...
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Salifert pH Test Kit

As low as $12.99
Liquid test kit for precise testing and monitoring of marine pH Fast and accurate test results allow timely pH corrections Fundamental aquarium water parameter test kit The reef hobbyist's choice for monitoring aquarium pH. Salifert pH Test Kit is accurate to approximately 0.2 pH units so you can monitor minute pH fluctuations. A stable, high pH level is crucial for ...
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Salifert Phosphate Test Kit

As low as $19.99
Easy-to-use, professional liquid phosphate test kit Fast phosphate test results in less than 5 seconds Maintain low phosphate levels in aquariums for healthy inhabitants Extremely fast, professional results simplify routine phosphate testing. Salifert Phosphate Test Kit offers highly reliable and informative phosphate measurement crucial for timely corrections. Even in low concentrations, ...
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API Phosphate Test Kit

As low as $7.99
Easy-to-use liquid test solution measures aquarium phosphate levelsEssential for monitoring the algae-fueling nutrient, phosphate Match the color of the test solution against color chart for accurate test results Accurate individual test kit simplifies the testing of phosphate. Convenient two-part liquid test makes measuring and monitoring phosphate levels fast and easy. In high ...
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API Copper Test Kit

As low as $5.99
Measures both free and chelated copper Individual kit performs 90 tests For use in freshwater or saltwater aquariums Allows easy and accurate monitoring of copper levels to maintain copper-based fish treatments at therapeutic levels. Copper, a common treatment for many parasitic infections, must be monitored in an aquarium or a pond. The copper level can drop too low for the ...
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Red Sea Reef Colors Pro Multi Test Kit

As low as $8.99
Convenient high resolution test kit for reef iodine, potassium and ironPrecision tests for elements associated with enhanced coral colorationTest reef aquariums regularly dosed with supplements for coral health Great value on three advanced test kits for accurate measurement of reef supplements. Red Sea Reef Colors Pro Multi Test Kit includes Red Sea Iodine Pro, Potassium Pro and Iron Pro ...
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Red Sea Algae Control Multi Test Kit

As low as $59.99
High resolution tests for nitrate and phosphate in one convenient kitUpdated colorimetric (color matching) tests for today's reef hobbyistsTest nitrate and phosphate levels to manage nuisance algae growth Innovative colorimetric (color matching) testing means advanced algae management in coral reef aquariums. Red Sea Algae Control Multi Test Kit updates and streamlines the precision testing ...
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ELOS AquaTest Marine pH Test Kit

As low as $14.99
Italian-made marine aquarium pH test kit for lab-quality results Colorimetric test kit measures aquarium pH range from 7.6 to 9.0 Offers aquarium hobbyists a high degree of accuracy with NIST-validated reagents and more Accurately measure and monitor pH level to ensure marine aquarium success. ELOS AquaTest Marine pH Test Kit is an invaluable tool in maintaining stable water parameters vital ...
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API Reef Master Liquid Test Kit

As low as $24.99
This easy-to-use liquid test kit helps you adjust your water parameters for the success of your reef aquarium. Measures four essential water parameters. Long-lasting kit contains tests for calcium (70 tests), carbonate hardness (number of tests varies by water hardness), phosphate (150 tests), and nitrate (110 tests). Included instructions explain how to use the tests in an easy-to-understand ...
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Red Sea Reef Foundation Pro Multi Test Kit

As low as $59.99
Advanced titration accurately tests for reef calcium, alkalinity and magnesium Test reef aquariums regularly to ensure proper supplementation Outstanding value for new and experienced reef aquarium hobbyists Comprehensive test kit measures three fundamental elements required for coral health. Red Sea Reef Foundation Pro Multi Test Kit takes a fresh approach to greater testing convenience and ...
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Seachem Marine pH & Alkalinity Test Kits

As low as $13.09
75 tests per kit Test reference included High sensitivity levels ensure precise results An economical solution for making sure your aquarium's chemical and mineral levels stay in balance. Each kit includes 75 tests with supplementary test references. High sensitivity levels for each procedure ensure precise results. You can even run up to 6 tests simultaneously for ideal efficiency. Using ...
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Seachem Iodine & Iodide Test Kits

As low as $13.09
75 tests per kit Test reference included High sensitivity levels ensure precise results An economical solution for making sure your aquarium's chemical and mineral levels stay in balance. Each kit includes 75 tests with supplementary test references. High sensitivity levels for each procedure ensure precise results. You can even run up to 6 tests simultaneously for ideal efficiency. Using ...
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Seachem Nitrite/Nitrate Test Kits

As low as $13.09
75 tests in each kit Test reference includedHigh sensitivity levels ensure precise results An economical solution for making sure your aquarium's chemical and mineral levels stay in balance. Each kit includes 75 tests with supplementary test references. High sensitivity levels for each procedure ensure precise results. You can even run up to 6 tests simultaneously for ideal efficiency. ...
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Seachem Saltwater Basic Test Kits

As low as $24.99
Precision test kit for water parameters crucial to marine aquariumsEasy-to-use aquarium test kit for beginners and experienced reef-keepersEconomical and accurate aquarium test kit simplifies routine testing Economical solution for monitoring crucial saltwater parameters. High sensitivity levels for each test ensure precise results. Special test plates let you run multiple tests ...
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Salifert Silicate Test Kit

As low as $19.99
Liquid test kit for precise testing and monitoring of silicateDual scale for low range and high range silicate detectionMonitor silicate to prevent brown algae in new marine aquariums Versatile silicate test kit for sensitive and accurate test results. High quality test kit allows aquarists to measure silicate levels in fresh or saltwater aquariums. The Salifert Silicate Test Kit detects ...
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Salifert Oxygen Test Kit

As low as $19.99
Easy-to-use liquid test kit measures dissolved oxygen in aquariumsMeasure oxygen levels to maintain a healthy aquarium environmentFast test results for dissolved oxygen content in just a few minutes Quick and accurate test for dissolved oxygen content. Proper oxygen concentration is vital for aquarium inhabitants and the overall health of the aquarium environment. The Salifert Oxygen Profi ...
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Salifert Magnesium Test Kit

As low as $24.99
Premium liquid magnesium test kit for marine aquariumsPrecise magnesium measurement in increments of 30 ppmMaintain proper magnesium level for healthy reef aquariums The Salifert Magnesium Profi Test makes testing magnesium levels easy and accurate. Reef aquarium enthusiasts have relied on the precision quality of Salifert test kits for years. Monitor and maintain magnesium levels without ...
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Salifert Nitrite Test Kit

As low as $16.99
Premium liquid test kit for accurate nitrite measurement in aquariumsFast, full color development for easy-to-read nitrite test resultsLow range scale detects nitrite levels even in mature aquarium systems Precision nitrite test kit ideal for both new and mature aquariums. Salifert Nitrite Test Kit has two different scales: an ultra-low scale that measures nitrite-nitrogen from 0.002 to 0.12 ...
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Salifert Nitrate Test Kit

As low as $21.99
Premium liquid test kit for precise nitrate measurement in aquariumsAccurately detects aquarium nitrate levels as low as 0.2 ppmDual range nitrate test kit for reef aquariums and fish-only aquariums Precision nitrate test kit ideal for sensitive reef aquariums. Maintaining a very low nitrate concentration of less than 1 ppm is essential for coral and invertebrate health. Salifert Nitrate Test ...
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Salifert Iodine Test Kit

As low as $34.99
Professional test kit measures all inorganic forms of iodine Accurately measures iodine, iodate, and iodide in aquarium water Test aquarium iodine levels before and after iodine supplementation Get true iodine readings for the success of your reef aquarium. The Salifert Iodine Test Kit is the only test that measures all naturally occurring iodine compounds for accurate reading of total iodine ...
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Seachem Reef Status Magnesium, Carbonate Borate Test Kit

As low as $29.99
Accurate magnesium test kit designed for reef aquariums Measures magnesium AND alkalinity levels in reef aquariums Assess aquarium alkalinity content to ensure proper coral growth The answer to measuring magnesium and alkalinity in the reef aquarium. Versatile test kit measures magnesium, carbonate alkalinity, borate alkalinity, and total alkalinity. Reef Status Magnesium & Carbonate/Borate ...
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Salifert Calcium Profi Test Kit

As low as $21.99
Professional calcium test kit favored by reef aquarium hobbyists Use to accurately measure and monitor aquarium calcium level Precision calcium test kit measures in 10 ppm increments Precision calcium test kit for laboratory grade results. Favored by champion reef aquarium hobbyists, Salifert Calcium Kit offers convenient and accurate measurement of calcium. Unlike other test kits, Salifert ...
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Red Sea Alkalinity Pro Test Kit

As low as $34.99
Choose the easier way to measure reef aquarium alkalinity (buffer) Innovative new alkalinity titration test you can use with one hand Test alkalinity levels in coral reef aquariums with greater ease Achieve accurate alkalinity titration test results with just one hand! The innovative Red Sea Alkalinity Pro Test Kit lets you enjoy hassle-free titration (color change) testing. Thanks to a ...
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Red Sea Magnesium Pro Test Kit

As low as $10.99
Measure magnesium levels in coral reef aquariums with one handEnjoy professional results with this new magnesium titration testMonitor magnesium levels fundamental to reef aquarium health Say goodbye to old-fashion magnesium titration test kits. Red Sea Magnesium Pro Test Kit takes a fresh new approach to titration (color change) testing for convenient and accurate test results. The ...
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Red Sea Potassium Pro Test Kit

As low as $18.99
Crucial test kit for coral reef aquariums supplemented with potassium Advanced hand-held potassium titration test kit for precision results Ensure accurate dosing with routine tests of aquarium potassium levels Advanced potassium test kit includes a mini filtration kit to enhance accuracy. Red Sea Potassium Pro Test Kit takes an innovative approach to titration (color change) testing for ...
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ELOS AquaTest K Potassium Professional Test Kit

As low as $36.99
Quality Italian-made test kit for measuring aquarium potassium levels Lab quality colorimetric aquarium test kit boasts precision & ease of use 3-point check system addresses areas where aquarium testing error can occur Accurately monitor potassium levels vital for coral health. ELOS AquaTest K Potassium Professional Test Kit keeps routine testing simple and accurate by addressing common ...
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Salifert Carbonate Hardness/Alkalinity Test Kit

As low as $16.99
Professional test kit for carbonate hardness and alkalinityPrecision alkalinity test kit allows proper aquarium supplementationAlkalinity plays an important role in maintaining stable aquarium pH High-end alkalinity test kit for serious aquarium hobbyists. Maintaining proper carbonate hardness and alkalinity is essential for all types of aquariums, especially marine reef aquariums. Carbonate ...
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