Grodan Improved GR10 (White Foil) 4" x 4" x 4" 1584 Blocks Loose on spl_hgc The microgreen growing trays have

The microgreen growing trays have 32 drainage holes to help prevent pooling water in your microgreen tray

The bin’s high molded walls and rounded edges keep all plant materials contained

Conforms to ANSI S1

and parking lots

Secure to your bows with 3/4" self-tapping screws

Grodan Improved GR10 (White Foil) 4" x 4" x 4" 1584 Blocks Loose on spl_hgc The microgreen growing trays haveDescription Product Details: Grodan Improved GR10 (White Foil) 4" x 4" x 4" (1584 blocks Loose on Pallet) Grodan 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