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 are:
- Highly porous and provide high aeration to roots
- 100% recycled and 100% American made
- Not strip-mined like Hydroton and perlite
- Non-toxic and chemical free
- Lightweight, Dust-free
- Impossible to overwater
- pH neutral after preparation
- Proven yields
Join the Growing Revolution!