Grodan Gro-Block Improved GR10, Tall (White Foil), 4 x 4 x 4, 1584 Blocks Loose on Pallet Ona With our patented technology

With our patented technology

Professional growers rely on this high-performance formula to trigger vigorous reproductive growth in various substrates

Anti-corrosive pure titanium evaporator for both fresh and salt water

Variable Speed Control: Tailor the airflow to your specific environmental needs

and promote high-quality yields

Grodan Gro-Block Improved GR10, Tall (White Foil), 4 x 4 x 4, 1584 Blocks Loose on Pallet Ona With our patented technologyNote: 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