Emerald Harvest PH Up 55 gal Nutrients & Additives Gardening Accessories - Fan/Duct/Filter Size: 4 Inch

- Fan/Duct/Filter Size: 4 Inch

without affecting the quality of the spectrum

NLS-630 72” 49″ 54″ without cabinets 89″ overall with cabinets 62″ 39″ 46″ Light on/off Switch

users can effortlessly access power cords

and it is available with six different spectral compositions for full-cycle growth and supplemental photomorphogenic response

Emerald Harvest PH Up 55 gal Nutrients & Additives Gardening Accessories - Fan/Duct/Filter Size: 4 InchDescription 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