GH pH Test Kit 1 oz (24/Cs) Additive and if you’re not thrilled

and if you’re not thrilled with the results

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

It features an adjustable brass spray nozzle

How it Works

Down To Earth™ Kelp Meal is pure ascophyllum nodosum seaweed from the clean

GH pH Test Kit 1 oz (24/Cs) Additive and if you’re not thrilledGeneral 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.