Grodan Improved GR10 (White Foil) 4" x 4" x 4", 1,584 Blocks Loose on Pallet Brand stocked Use with the HI981421 GroLine

Use with the HI981421 GroLine Monitor to provide around-the-clock

If there is a leak anywhere in the system and water reaches the pad on the bottom of the leak protector the valve shuts off all incoming water preventing further damage from the leak

Outlets are available in 1/2 inch (13 mm)

lowering grow area temperature and allowing closer placement of the Sunburst to the canopy if desired

This will insure vigorous and healthy new growth

Grodan Improved GR10 (White Foil) 4" x 4" x 4", 1,584 Blocks Loose on Pallet Brand stocked Use with the HI981421 GroLineGrodan 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