GH PH Test Indicator Solution 8oz Full Kits Pumping raw air into the

Pumping raw air into the nutrient solution

14 Gram 120 Micron

We now have the Organic Certification for this straw

Four layer design makes it more durable and resistant to leaks

The durable

GH PH Test Indicator Solution 8oz Full Kits Pumping raw air into theGeneral 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 expensive electronic meters because of its reliability and ease of use, which are important factors when the health of a valuable crop is at stake. Use 3 drops per 5ml of solution.