Testing and Controllers

Elevate your water testing game with Hanna Checker Reagents! This complete set includes reagents for the entire line of Hanna checkers and testers,...

Can be used to automatically test levels of alkalinity, Ca, and Mg of aquarium water. Our Reagents are supplied in the correct sized bottles. We w...

The Hanna Marine checkers are the ultimate when it comes between chemical reaction test kits and professional instruments using colorimeter. Chemic...

Salifert Calcium CA Profi Test Kit - 50-100 Tests Made in Holland 50-100 Tests Accurate Fast Calcium is a major constituent of calcareous algae, ...

Trusted by discerning reefers for years, Salifert Test Kits feature some of the easiest to read results available. Their test kits include easy to ...

Calcium alone cannot form the skeletal material of corals and allow calcareous algae to grow. Some other substances are needed as well. A few other...

Trusted by discerning reefers for years, Salifert Test Kits feature some of the easiest to read results available. Their test kits include easy to ...

Trusted by discerning reefers for years, Salifert Test Kits feature some of the easiest to read results available. Their test kits include easy to ...

HI98108 pHep+ is a compact, waterproof pH tester with a range from 0.00 to 14.00 pH, resolution of 0.01 pH, and ±0.10 pH accuracy.   Compact, wate...

A refractometer truly made for sea water Calibrated specifically for the refractive index of natural sea water Accurate auto temperature compensat...

Trusted by discerning reefers for years, Salifert Test Kits feature some of the easiest to read results available. Their test kits include easy to ...

Calibration solution for ABC Reagents replacement kits. 

Hanna Accessories and spares to make your Experience More Enjoyable

Keeping pH stable is critically important to healthy coral in a reef aquarium. A stable pH is also less stressful for all the aquarium’s inhabitant...

Detect and measure toxic ammonia and ammonium levels in minutes with the Salifert Ammonia NH3 Profi Test Kit. This straightforward test is essentia...

Nitrite is a substance that is toxic to fish and invertebrates. It is a misconception that once a tank is through its cycle (first 3 or 4 weeks) th...

Having a reliable and easy to use potassium test kit is hard to come by. Salifert test kits have been trusted by discerning reefers for years for t...

  Ensure accurate measurements and reliable performance with this high-quality replacement pH probe, compatible with both the Reef Factory KH keepe...

  The Thermo view functions like a traditional thermometer but comes with intelligent features. In addition to monitoring water temperature, you ca...

  Upgrade your Reef Factory Smart Roller S filter roller with this top-quality and easy-to-install replacement mat. Measuring 4" in width and 131 f...

  Upgrade your Reef Factory Smart Roller M filter roller with this high-performance replacement fleece roll. It is made from premium-grade material...

Silicate is commonly found in tap water or purified water when the RO or DI unit is malfunctioning. This can cause diatom blooms and potentially hi...

  Economize by Creating Your Own Accurate KH Test Fluid with Highly Concentrated KH Keeper Reagent – up to +/- 0.01 dKH! This concentrated reagent ...