GH pH Test Kit 1 oz (24/Cs) Additive It features an adjustable brass

It features an adjustable brass spray nozzle

You can also begin a wide range of feeding programs right out of the bag

and if you’re not thrilled with the results

Grodan has a tremendous capacity for absorbing nutrient solution while retaining plenty of oxygen for rapid plant growth

GH pH Test Kit 1 oz (24/Cs) Additive It features an adjustable brassGeneral 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.