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designed specifically for the professional grower
This comprehensive formula promotes robust leaf and stem development
These heavy duty full ID flood trays are thick
75" or 1" in inches
They feature a square drainage pattern and smooth channels
General Hydroponics pH Test Indicator 8 oz Fittings designed specifically for the professionalGeneral Hydroponics pH Test Kit General 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
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