Grodan Gro-Block Improved GR10 Large with Hole, 4" x 4" x 4" (Case of 144) Gateway Supply It is recommended to use

It is recommended to use Root Cleaner with its sister product – Green Cleaner

Package Dimensions:             160mm(L) x 86mm(W) x 86mm(H)

TrolMaster AS-5 Alarm Station – Audio/Visual Alert Module for Grow Room Controllers

16" x 20" x 28" in (42 x 51 x 71 cm) Dimensions

Grodan Gro-Block Improved GR10 Large with Hole, 4" x 4" x 4" (Case of 144) Gateway Supply It is recommended to useGrodan Gro Block Improved GR10 Large with Hole, 4" x 4" x 4" Case of 144 New and improved stone wool substrate with advanced wetting technology from Grodan Introducing Grodan Gro Blocks Improved, a product specifically engineered to deliver real results for your crops, developed by plant scientists, researchers, and top growers. The uniform distribution of water and nutrients throughout the block allows for more efficient use of the entire substrate