General Hydroponics pH Test Kit Emerald Harvest Pure Zym is suitable for

Pure Zym is suitable for all substrates

**DISCLAIMER: ONLY AVAILABLE IN PALLETS**

some growers require find supplementation helpful in demanding conditions

The Mondi Utility and Sump Pump is protected by a 2-year Gold Series warranty

This product effectively corrects these common deficiencies without throwing off overall elemental balance

General Hydroponics pH Test Kit Emerald Harvest Pure Zym is suitable forGeneral 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.