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Always wear proper PPE when handling
Some competing nutrient lines offer a (16-0-0) formula as a one-part grow fertilizer
Derived from the ancient remains of decomposed organic plant materials
Safe for food and medicinal plants
How it Works
GH pH Test Kit 1 oz (24/Cs) Additive Always wear proper PPE whenGeneral 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.
