pH Down - 1 Quart by General Hydroponics "Zone 7" and silicates:

and silicates:

It delivers a continuous supply of fresh water and air to provide a simple

they can be re-used

place under a grow light or in sunlight until mature

pH Down - 1 Quart by General Hydroponics "Zone 7" and silicates: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 1 Quart Lower pH of Water 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