Perfect professional hydroponic mild acid solution for lowering the pH of water for your microgreens. 1 Quart Bottle. Instructions for use included on label. Made by General Hydroponics. See also pH Up.
pH DOWN by general hydroponics is a mild acid solution that is perfect for lowering the pH of water for gardening, especially microgreens, which are sensitive to the pH of water (preferring a pH of around 6).