Emerald Harvest pH Down 1 gal case of 4 botanicare The third layer doubles the

The third layer doubles the vapor and moisture barrier properties

Why use Duramax 200

High Quality Molded Impeller: These fans feature a high-quality molded impeller for efficient operation

- Non-burning and no salt residue

Reclosable bag for easy storage

Emerald Harvest pH Down 1 gal case of 4 botanicare The third layer doubles theDescription 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