Grodan Improved GR10 (White Foil) 4" x 4" x 4" 1584 Blocks Loose on Mushroom Spawn Store NPK: 6-42-12

NPK: 6-42-12

These tri-clamp end caps:

Foliar: 10-20mL (2-4tsp)

Product Model: AC-RCA4

Grodan Improved GR10 (White Foil) 4" x 4" x 4" 1584 Blocks Loose on Mushroom Spawn Store NPK: 6-42-12Description 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