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

Use to adjust the pH of fertilizers and plant micronutrient foliar solutions

With a Color Rendering Index of 90 the GC 3k spectrum is very close to natural sunlight but with modest blues

Store in original container in a cool

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