Grodan Gro-Block Improved GR10, Tall (White Foil), 4 x 4 x 4, 1584 Blocks Loose on Pallet Duralastics That figure is the oxygen

That figure is the oxygen the sachet has to consume

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Grodan Gro-Block Improved GR10, Tall (White Foil), 4 x 4 x 4, 1584 Blocks Loose on Pallet Duralastics That figure is the oxygenNote: 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