Basics & Nutrients (pH, NH3, NO2, NO3, PO4)

Nitrate TestingWhen an aquarium has insufficient regions deprived of oxygen (= anaerobic zones) or denitrification proceeds incompletely then nitra...

Testing is fast, easy, and accurate, yielding precise results, and comes with 4 glass test tubes with snap-tight caps and a convenient holding tub ...

Red Sea’s Marine Care Multi Test Kit is a complete and easy to use kit for the accurate testing of the five main parameters in a marine aquarium.Th...

Ammonia and ammonium are substances which should be converted rapidly into nitrite followed by nitrate and nitrogen gas.If this does not happen the...

Reef 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 thriv...

Silicate occurs especially in tap water or in purified water when the RO or DI unit is not functioning properly. Silicate not only results in diato...

Red Sea’s highly accurate colorimetric comparator test reagent for the measurement of Phosphate in all marine systems.To be used with the Phosphate...

API® 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 o...

Full instructions are included detailing optimum levels and suggestions for correction, along with an integrated test tube rack. Simply follow the ...

For determining the essential water values in seawater aquariums.The inset of the reagent bottles are color-coded and can also be used outside the ...

Phosphates are important nutrients for all plants and are vital for the energy metabolism of every living cell. Phosphates are released into the aq...

Red Sea’s Phosphate Test Kit is a quick and reliable colorimetric test kit that can test phosphate levels in your marine aquarium to an accuracy of...

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

What is phosphate?Phosphate is an essential component in fish nutrition, but is also produced as a waste product by fish. Phosphate is practically ...

What is nitrate?Nitrate is the waste product of naturally occurring bacteria (Nitrospira spp.) turning nitrite into relatively non-toxic nitrate. I...

Red Sea’s highly accurate colorimetric comparator test kit for the measurement of Phosphate in all marine systems.Nitrate & phosphate tests are...

Red Sea’s highly accurate colorimetric comparator test kit for the measurement of Nitrate in all marine systems.Nitrate & phosphate tests are e...

Red Sea’s highly accurate colorimetric comparator test kit for the measurement of Nitrate and Phosphate in all marine systems.The nitrate & pho...

Phosphate can enter your aquarium through tap water, fish waste, and decaying organics such as uneaten food and dead algae. Excess phosphate contri...

The 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 ...

Red Sea’s Nitrite/Nitrate Test Kit is a dual complete and easy to use kit for the accurate testing of both Nitrite and Nitrate, two of the most imp...

AF Phosphate TestPro is designed for quick measurement of phosphate ions in a marine aquarium. Phosphate is a breeding ground for the growth of und...

Use 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...

What is nitrite?Nitrite is the intermediate product in the nitrification process. Nitrite originates as a waste product produced by nitrifying bact...