General Hydroponics pH Test Kit Emerald Harvest Unlike other canvas bags

Unlike other canvas bags

**DISCLAIMER: ONLY AVAILABLE IN PALLETS**

Plant-safe green backlit LCD with adjustable brightness and large

Pure Zym is suitable for all substrates

Warms root area approximately 10–20° F over ambient temperature to improve germination process

General Hydroponics pH Test Kit Emerald Harvest Unlike other canvas bagsGeneral 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.