Emerald Harvest PH Up 55 gal Nutrients & Additives ac-/-dehumidification-/-humidification You increase nutrient uptake—and ultimately

You increase nutrient uptake—and ultimately yields—by providing the beneficial microbes in the root zone with a clean source of food:

Eliminates Hidden Pests

as well as any traditional indoor grow light source

The perfect solution to store and hydrate your Bluelab pH products

Emerald Harvest PH Up 55 gal Nutrients & Additives ac-/-dehumidification-/-humidification You increase nutrient uptake—and ultimatelyDescription 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