Grodan Gro-Block Improved GR10 Large with Hole, 4" x 4" x 4" (Case of 144) lighting-systems/kits including redness

including redness

Animal and Marine Life … Not Insects

bassiana spores adhere to the target insect's outer shell (cuticle) and begin the infection process

ensuring chemical-free and safe storage

Grodan Gro-Block Improved GR10 Large with Hole, 4" x 4" x 4" (Case of 144) lighting-systems/kits including rednessGrodan 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