Grodan Gro-Block Improved Jumbo, 6" x 6" x 4" w/Hole (Pallet of 704 Loose Blocks) MTMDA Link4 iPonic Controllers are the

Link4 iPonic Controllers are the latest in greenhouse environmental automation

Includes a protective cap and batteries

eliminating the problems that can occur when plant roots are left to lie in pools of water

They will not absorb water

Grodan Gro-Block Improved Jumbo, 6" x 6" x 4" w/Hole (Pallet of 704 Loose Blocks) MTMDA Link4 iPonic Controllers are theGrodan 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 optimal fibre structure and physical properties for crop uniformity, more even