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Ships within 48 hours · Estimated delivery Aug 10 - Aug 15
Safe for food and medicinal plants
Repair treats chlorosis and environmental stresses
Derived from the ancient remains of decomposed organic plant materials
Down To Earth™ Kelp Meal is pure ascophyllum nodosum seaweed from the clean
Always wear proper PPE when handling
GH pH Test Kit 1 oz (24/Cs) Additive Safe for food and medicinalGeneral 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.
US$ 19.00
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