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Ships within 48 hours · Estimated delivery Jul 27 - Aug 1
safe to apply on food crops up to one day before harvest
· Made in the USA
Recommended for 100+ gallon reservoirs
· Steady supply of CO2 for 6 months guaranteed
It's not Gravity- it's something MORE
Air Stone Round 4" Garden Accessories safe to apply on foodActive 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. This one is 4" inches.
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