Emerald Harvest pH Down 1 qt case of 12 ventilation The micro-pore design both aerates

The micro-pore design both aerates and circulates nutrients

naturally-no respirators

The oven shelves are made of aluminum and we recommend covering the shelves with silicone pads or a PTFE sheet that can be cut to size

margin: auto

Emerald Harvest pH Down 1 qt case of 12 ventilation The micro-pore design both aeratesDescription Product Details Emerald Harvest pH Down 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