Emerald Harvest pH Down 1 qt case of 12 ventilation this filter is built to

this filter is built to perform where it matters most

What's included:

naturally-no respirators

05 to 11 GPM

The micro-pore design both aerates and circulates nutrients

Emerald Harvest pH Down 1 qt case of 12 ventilation this filter is built toDescription 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