Product Overview
General Hydroponics pH Test Kit for Liquid
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.
Use 3 drops per 5mL of solution. This kit has a pH test range of 4.0 - 8.5.
