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one-handed operation provides precise control without pumping
A 4 ft fluorescent light fixture will be perfect to provide supplemental lighting over this size area
Non-Pesticide
Use it to start fruiting plants like tomatoes
maintained by a shut-off valve
General Hydroponics® pH Test Indicator 8 oz Grotek one-handed operation provides precise controlGeneral 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.
