Air Stone, 4 Inch

Apollo Horticulture AH AS-4 4" Round Air Stone, 4 Inch

Oxygenize: By increasing surface agitation, air stones promote gas exchange to accelerate oxygen replenishment within your grow system.
Refresh: Through replenishing oxygen replacement, air stones reduce the overall amount of carbon dioxide buildup.
Energize: Air stones release thousands of bubbles into the water to aerate flow and move toxins to the surface to dissipate.
Life Span: Through relaxing and circulating the water, aqua stones will extend the life of the nutrients in your water farm system.
Relief: Aqua stones work to alleviate any back pressure weighing down your pump.