Grodan Gro Block Improved GR4 Small 3" w/Hole 3" x 3" x 2.6" Strip- Unwrapped (Case of 48 Sleeves) HGC733763 and the strengthened handle provides

and the strengthened handle provides a comfortable grip

To further demonstrate our support

thanks to the unique design of its disc grooves​

Use the mesh side for sheets of A-OK's

*Note: You MUST have a HCS/TCS controller in order to use the TC-1

Grodan Gro Block Improved GR4 Small 3" w/Hole 3" x 3" x 2.6" Strip- Unwrapped (Case of 48 Sleeves) HGC733763 and the strengthened handle providesGrodan 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