Alfred reservoir airstones help to increase and maintain oxygen levels in your nutrient solution.

Available Sizes: 6" & 12"

Active Aqua air stones are an ideal way to add oxygen to your hydroponic growing system. The micropore design energizes the growing solution as it aerates & circulates nutrients.

These great quality Air Stones aerate & add oxygen to the water in your reservoir or grow system. Circulates nutrients into the water & helps to maintain an even water temperature.