Emerald Harvest pH Down Harvest Sorters Apply once a week during

Apply once a week during the entire vegetative growth stage

Coupled with the lights being cut from 18 to 12 hours

Made of white 80% recycled ABS plastic with virgin ABS cap on each side

aiding in crop resistance to pest and disease

Emerald Harvest pH Down Harvest Sorters Apply once a week duringKeep your nutrient solution in the sweet spot with Emerald Harvest pH Down. A pH reading above 6. 5 is considered too alkaline for most hydroponic gardens. This premium pH acidifier allows you to reduce the pH of your nutrient solution. Use pH Down as needed for guaranteed professional results. WHAT MAKES IT WORK? pH Up and pH Down are buffers composed of a weak base (up) and weak acid (down) designed to correct pH imbalances in hydroponic gardens. pH