Water & Aeration

The HM Digital COM-80 Hydrotester is easily the most advanced economically priced, reliable EC/TDS meter on the market. With its versatility and d...

The PH-80 has proven to be the most reliable pH meter in its price range. It has become a favorite in such applications as hydroponics & garde...

This modern Hanna GroLine Waterproof pH/temperature meter is only 0.7" thick and extremely ergonomic, fitting comfortably in your hand. The meter ...

This modern Hanna GroLine Waterproof EC/TDS meter is only 0.7" thick and extremely ergonomic, fitting comfortably in your hand. The meter has a ve...

The meter makes measuring pH quick and easy! This lightweight, waterproof tester offers high accuracy pH, low range EC/TDS (0 to 3999 µS/cm EC/ 0 ...

*Formulated using potassium hydroxide and potassium carbonate. Add a little at a time when your nutrient pH is too low in order to raise the pH to ...

General Hydroponics pH Test Kits make pH testing easy. Simply fill a test-tube halfway with nutrient, add a few drops of pH Test Indicator, and ob...

*Uses food-grade phosphoric acid to lower the pH to the proper level. To maximize plant growth, the pH content of your nutrients should be slightly...

General Hydroponics pH Control Kit contains 8 oz of GH pH Up, 8 oz GH pH Down, 1 oz of the GH pH Test Indicator and a test vial. GH pH Up - Add a ...

Air stones are an ideal way to add oxygen to your hydroponic growing system. The micropore design energizes the growing solution as it aerates and...

Heavy duty, oilless (water cooled) multipurpose pump suitable for water control: basement/indoor flooding, plant watering, water recirculation and ...

Widely used to provide oxygen in aquariums, fish farms and hydroponic systems. Includes chrome air manifold, ranging from six to twelve outlets. ...

Widely used to provide oxygen in aquariums, fish farms and hydroponic systems. Includes chrome air manifold, ranging from six to twelve outlets. ...

Widely used to provide oxygen in aquariums, fish farms and hydroponic systems. Includes chrome air manifold, ranging from six to twelve outlets. ...