Aquarium Water Tests & Kits

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

The quick and accurate way to test for the presence of ammonia. This kit reads 0-6 ppm of ammonia. Desiccant-lined tube, with snap-tight cap, provi...

Regular testing and maintenance of water parameters are important for the health of fish and plants. Aqua One test kits make it easy to balance a r...

This kit measures total (NH3 and NH4+) and free ammonia (NH3 only) down to less than 0.05 mg/L and is virtually interference free in marine and fre...

Nitrite is toxic and should be undetectable in any well established aquarium. During cycling, it may exceed 20 mg/L. Nitrate is relatively non-...

The quick and accurate way to test pH.  Tests a wide range: 6.0 – 9.0. Desiccant-lined tube, with snap-tight cap, provides maximum moisture protect...

Copper kits are usually of two types: compleximetric or titration based. Some kits measure only ionic copper and others measure both ionic and chel...

Regular testing and maintenance of water parameters are important for the health of fish, plants and coral. Aqua One test kits make it easy to bala...

Iron is of no importance in fish only aquaria; however, iron over 0.5 mg/L may be toxic to some species and should be avoided. Under normal cond...

Dymax 7 in 1 Aquarium Test Strips are the quick and easy way to test 7 of the most important water parameters – pH, KH, GH, nitrate, nitrite, chlor...

Regular testing and maintenance of water parameters are important for the health of fish, plants and coral. Aqua One test kits make it easy to bala...

This kit combines the Marine pH & Alkalinity, Ammonia, and Nitrite & Nitrate kits into one kit. MultiTest™ Marine Basic performs over 75 te...

The Aqua Medic pH Controller is a precision instrument for controlling the pH value in aquaria. It can be mounted on the aquarium front or side gl...

The refractometer is a precision optical instrument used to determine the salt concentration in saltwater aquaria. Its exact value can be determine...

Regular testing and maintenance of water parameters are important for the health of fish, plants and coral. Aqua One test kits make it easy to bala...

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

Regular testing and maintenance of water parameters is important for the health of fish, plants and coral. Aqua One test kits make it easy to balan...

Keep the water quality in your aquarium at optimum levels with new Aqua One Quick Drop Senior pH Test Kit.Regular testing and maintenance of water ...

Natural seawater (NSW) concentration of iodide is 0.06 mg/L. Ideally, it is advisable to maintain iodide close to NSW concentration. Concentrat...

Measure visually in real-time the CO2 levels in your planted aquarium. Great for fish safety and monitoring plant growth. Includes 15ml solution, d...