the growstone story:
how we do what we do
GS-1 hydro stones
The ultimate in hydroponic growing
GS-2 mix this! soil aerator
Leaves perlite in the dust!
GS-3 coco mix
Aeration for multiple feedings
GS-4 moisture coco mix is here!
More moisture. Less Irrigations.
it all starts with the bottles
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:
- 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 stable after preparation
- Proven yields