Grodan Gro-Block Improved GR10, Tall (White Foil), 4 x 4 x 4, 1584 Blocks Loose on Pallet Duralastics Spectral range: 400-700 nm PAR

Spectral range: 400-700 nm PAR

because the packet is new by definition

That figure is the oxygen the sachet has to consume

offers an unparalleled solution for improving the air quality within your home or grow room

and protective fail-safes

Grodan Gro-Block Improved GR10, Tall (White Foil), 4 x 4 x 4, 1584 Blocks Loose on Pallet Duralastics Spectral range: 400-700 nm PARNote: This bulk item is shipped as a full pallet without boxes or retail labeling. Grodan Improved GR10 (White Foil) 4 x 4 x 4 (1584 blocks Loose on Pallet) Keep it Real Real Science 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