Grodan Improved Gro-Block, Jumbo 6" x 6" x 4", Case of 64 rockwool These growing blocks are used

These growing blocks are used for direct sowing or "blocking on" of Macro and Multiblock raised plants

Drive belts last many hours but eventually wear down

Optional Hanging Kit – DH35660 (Model 5691)

Hydrofarm's Powerhouse convertible ballasts feature engineered transformers made to the exacting American National Standards Institute specifications

chemical-resistant pump configuration designed to handle abusive

Grodan Improved Gro-Block, Jumbo 6" x 6" x 4", Case of 64 rockwool These growing blocks are usedGrodan Improved Jumbo (White Foil) 6 x 6 x 4 (Case of 64) Grodan Improved 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. These leading edge blocks have the