Grodan Improved GR10 (White Foil) 4" x 4" x 4", 1,584 Blocks Loose on Pallet Brand nutrients It's a balanced formulation that

It's a balanced formulation that allows for proper drainage

Input Voltage: 120V AC

Autopilot PX series controller compatible

SEE THE TWISTER T4 ON

Grodan Improved GR10 (White Foil) 4" x 4" x 4", 1,584 Blocks Loose on Pallet Brand nutrients It's a balanced formulation thatGrodan Improved GR10 (White Foil) 4 x 4 x 4 (1584 blocks Loose on Pallet) 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