GRODAN Improved GRO-Blocks Hugo, 6x6 w/Holes, 64 ct

Grodan Improved Gro-Block 6 inch Hugo. Case of 64. Hugo Gro-Block, 6 inch x 6 inch x 5.8 inch, with hole 40/40. Grodan 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 our Advanced Wetting Agent.