Product Description
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 and circulates nutrients. Air stones will extend the life of your nutrient solution, help keep roots healthy, and promote exceptional growth.
Choose from two versatile round air stone disc sizes (4" or 8 1/2")
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1 Review
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stays @ the bottom
My biggest concern was the buoyancy of the plastic on the unit, but it stays on the bottom of the vat just fine. Time will tell what kind of longevity it provides
