GS-1 Hydro Stones 42 Litres

Engineered Hydroponic Substrate For Consistent Results GS-1 Hydro Stone is the perfect media for your hydroponic garden. Even though you’re growing hydroponically, your roots still need a stable and well-drained foundation for maximum stability and growth. GS-1 provides that perfect foundation with a highly porous, non-compacting non-clogging substrate, which facilitates aeration of the root environment. Roots will grow and be ready to take full advantage..

£21.95