Emerald Harvest pH Up 1 gal case of 4 Tubing make them at ½% to

make them at ½% to 3% and monitor them yearly

Fuel Compatibility: 1/4 lb & 1 lb propane cylinders

The result of months of scientific research and trials is Grodan Gro-Blocks Improved

Driver and Warranty: Designed with an Inventronics Driver

AirPods: 5W

Emerald Harvest pH Up 1 gal case of 4 Tubing make them at ½% toDescription Product Details Emerald Harvest pH Up pH up and pH down: Keep the nutrient solution and the growing medium in the "sweet spot" (pH 5. 56. 5) for optimal nutrient uptake and no nutrient deficiencies. pH Up and Down are buffers composed of a weak base (Up) and weak acid (Down) designed to correct pH imbalances. pH Up and pH Down adjust the pH for optimal nutrient uptake and stable beneficial bacteria colonies, and they forestall nutrient