Controllers & Testing

The API® KH TEST KIT tests fresh or saltwater aquariums for carbonate hardness (KH), and helps monitor water quality and prevent invisible water p...

When keeping freshwater fish and plants, the general hardness (GH) and carbonate hardness (KH) of aquarium water should match their natural habita...

The API® Freshwater Master Test Kit measures the 4 most important levels in freshwater aquariums quickly and accurately, including pH, high range ...

The API® pH TEST KIT monitors pH to maintain healthy freshwater conditions in your tank. pH control is imperative to prevent the harmful effects o...

The API® HIGH RANGE pH TEST KIT measures pH changes in marine aquariums, aquariums with African Cichlids, and very alkaline tap water. The API HIG...

High nitrate levels in your aquarium indicate a build-up of fish waste and organic compounds, resulting in poor water quality and an increase in a...

The API® Reef Master Test Kit test 4 key parameters – calcium, carbonate hardness, phosphate, and nitrate – to keep reef inhabitants healthy. Test...

The API® Saltwater Master Test Kit measures the 4 most important saltwater parameters – pH, ammonia, nitrite, and nitrate – to enable easy testing...

REASONABLY PRICED REAGENTS ABOUT 9 CENTS PER TEST! The cost of reagents and recurring cost is a valid concern for a hobbyist considering the t...

  FOUNDATION PRO MULTI TEST KIT High accuracy titration tests for the accurate measurement of the Foundation elements Calcium, Magnesium and Alkal...

  Easy-to-use tests for the accurate monitoring of all of the important parameters during the biological maturation of marine and reef aquariums N...

  Provides 50 Nitrate plus 50 Nitrite advanced colorimetric tests for marine aquariums NO3 - NO2   This kit is essential during the maturation ...

  Includes an accurate titration test for KH and a colorimetric test for pH for monitoring these essential parameters in Marine Fish aquariums pH ...

  User-friendly colorimetric test provides a quick and reliable measurement of Phosphate in your aquarium, with accuracy of 0.1ppm PO4 PO4    R...

  High accuracy colorimetric comparator tests for the exceptionally high accuracy measurement of Nitrate and Phosphate. For all Reef Systems. Best...

The Salifert Ammonia (NH3 profi Test) Test Kit is a straightforward, accurate testing kit for saltwater environments that measures the sum of toxi...

The Salifert Calcium Test Kit is an accurate testing kit for saltwater environments. It measures the level of calcium, an important component to t...

The Salifert Carbonate Hardness/Alkalinity Test Kit measures the carbonate and bicarbonate levels in your tank, both of which contribute heavily t...

The Salifert Magnesium Test Kit measures the magnesium content in saltwater aquariums. In nature, magnesium is present in rather high concentratio...

The Salifert Nitrate Test Kit measures the extremely hazardous nitrate levels that build up in spaces which have been deprived of oxygen. High nit...

The Salifert Nitrite Test Kit measures the extremely hazardous nitrite levels that build up in aquariums due an interference in the nitrogen cycle...

Salifert's pH Test Kit provides you with quick and precise test results for one of the most crucial parameters to measure in your aquarium, pH. Th...

Salifert's Phosphate Test Kit helps prevent problematic phosphate build-ups by allowing you to detect the problem early. Too much phosphate in you...

MultiTest™ Copper Measures all types of copper to less than 0.01 mg/L Multi-cavity plate for simultaneous testing of up to 6 tests at the same ti...

MultiTest™ Iodine & Iodide Catalysis based, sensitive to less than 0.0025 mg/L Multi-cavity plate for simultaneous testing of up to 6 tests ...

MultiTest™ Iron Measures iron to less than 0.05 mg/L Multi-cavity plate for simultaneous testing of up to 6 tests at the same time Includes ref...

MultiTest™ Marine pH & Alkalinity Unique dye that has a pronounced color change between 8.0 and 8.3 Multi-cavity plate for simultaneous test...

MultiTest™ Phosphate Measures inorganic phosphate to less than 0.05 mg/L Multi-cavity plate for simultaneous testing of up to 6 tests at the sam...

Description This kit measures silicates to less than 0.5 mg/L in marine or freshwater. MultiTest® Silicate performs over 75 tests and contains a re...

Description This kit is capable of at least 150 calcium determinations and is designed specifically for seawater. The test is based on titration of...

Description This kit is capable of at least 75 tests for magnesium. It is designed specifically for seawater. The test is based on titration of mag...

Description The first and only 10 minute strontium test! The test involves separation of strontium from the sample by a highly selective extraction...

Description Ammonia Alert® is an innovative color device for continuously detecting and monitoring toxic free ammonia. A sensor changes reversibly...

Keep your tank healthy. Maintaining a healthy, safe aquarium environment for your fish is important, and regularly testing your water levels in the...

Keep your tank healthy. Maintaining a healthy, safe aquarium environment for your fish is important, and regularly testing your water levels in the...