Emerald Harvest pH Up, 2.5 gal, case of 2 Standard CO2 setting for use

Standard CO2 setting for use with CO2 generators (LP/NG)

Achieve enhanced versatility as Speed Control empowers growers to better trim a wider variety of strains

The system blocks light and keeps the top of your medium moist for a more even dry down

Saturate them with water

Active Aqua water chillers are ideal to keep the hydroponic solution in your reservoir at the perfect temperature

Emerald Harvest pH Up, 2.5 gal, case of 2 Standard CO2 setting for useEmerald 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 deficiencies.