Grodan Gro Block Improved GR10 Large 4" w/Hole 4" x 4" x 4" Strip - Unwrapped (Case of 144 Blocks) 8" Automatic Submersible pump with a

Automatic Submersible pump with a manual override

This one part nutrient blend is designed for crops grown in very low alkalinity waters such as reverse osmosis (RO) water

The sachet is landfill friendly

Support the optimal conditions for returning your garden to peak performance and recovering the vibrant green hues of high-value crops

Grodan Gro Block Improved GR10 Large 4" w/Hole 4" x 4" x 4" Strip - Unwrapped (Case of 144 Blocks) 8" Automatic Submersible pump with aGrodan 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