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Whether you’re growing in soil or hydroponically, Growstone provides the perfect balance of air and water — 30% water and 50% air by volume — for AMAZING results.
Hydro Stones (GS-1)
A 100% recycled growth medium that’s perfect for vegetables, herbs and flowers.
Soil Aerator (GS-2)
Made from 100% recycled glass to significantly improve aeration and drainage.