Grodan Gro Block Improved GR10 Large 4" w/Hole 4" x 4" x 4" Strip - Unwrapped (Case of 144 Blocks) substrate bag Cal-Mag Amplified

Cal-Mag Amplified

44psi (AAPC2020)

All RapidRIZE blocks feature a wide

ProKure V liquid disinfectant — Kills bacteria

these make a very clean and effective tea that functions as a living topsoil

Grodan Gro Block Improved GR10 Large 4" w/Hole 4" x 4" x 4" Strip - Unwrapped (Case of 144 Blocks) substrate bag Cal-Mag AmplifiedGrodan partnered with the Wageningen University and Research facility in The Netherlands and top growers throughout North America to identify the optimal stone wool substrate and irrigation strategies for specialty crops. The result of months of scientific research and trials is Grodan Gro Blocks Improved with Grodans Advanced Wetting Agent. These leading edge blocks have the optimal fiber structure and physical properties for crop uniformity, more