EH pH Down - Quart - Case of 12 control system and two rubber replacement collars

and two rubber replacement collars for outlet/inlet fittings

better quality harvests

or high temperatures

These clever little pens make it easy to measure the nutrient uptake (pH)

EH pH Down - Quart - Case of 12 control system and two rubber replacement collarsGet It Just Right Emerald Harvests premium pH adjusters, pH Up and pH Down, let you fine tune the pH of the growing medium. This enables you to regulate the pH for optimal nutrient uptake and stable conditions for beneficial microbes living in the root zone. When the pH of the nutrient solution stays in the sweet spot (pH 5. 8 6. 3), sufficient essential nutrients remain available to the plant roots for heavy yields and bountiful harvests. Benefits