Growstones are breakthrough, high-performance growing mediums that are 100% recycled glass and 100% American made. Our highly porous, chemical and toxin-free hydroponic growth mediums and soil aerators are engineered to deliver proper air and water balance in the roots without the danger of overwatering. They can be customized to fit a wide range of plants and climates as well as different growing systems.

Growstones’ Revolutionary Growing Mediums and

Horticultural products are: 

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