Meters & Solutions

Olympus Up is the Nectar for the Gods pH up product. Most gardeners know to adjust the pH of their nutrient solution before use. By using liquid calcium as a pH adjusting component, you will add more calcium to your plants' cell structure, promoting cell...

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 observe the coloration of the liquid in the test vial. Many experienced growers prefer our pH Test Kit to...

General Hydroponics pH Control Kit contains 8 oz pH UP, 8 oz pH DOWN, 1 oz indicator and vial.

The Active Aqua floating thermometer delivers easy and accurate readings of your water temperature. This gauge floats and has a pressure sensitive backing for easy mounting. It features readings in both Celsius and Fahrenheit, as well as clear markings...

OBSOLETE

OBSOLETE