SPEEDGROW GREEN 4" BIG CUBE 5-PACK
Speedgrow® Green Stone Wool Growing Medium
Big Cube 5pk - 4in
A natural stone wool growing medium, a great alternative to traditional mineral wood substrates than can contain phenols, acrylics and artificial dyes. Speedgrow® Green blocks contain an all natural, bio-based and renewable binder which promotes healthy root systems free of root diseases. Ideal for hydroponic growing.