Grodan Gro Block Improved GR6.5 Small 4" w/Hole 4" x 4" x 2.6" Strip Gardening Accessories nearly anything you can imagine

nearly anything you can imagine

Portability and Adjustable Height

typically experienced at the end of seasons

CRY+™ Filtration Media: High-Flow

Soluble Potash (K₂O): 4

Grodan Gro Block Improved GR6.5 Small 4" w/Hole 4" x 4" x 2.6" Strip Gardening Accessories nearly anything you can imagineDescription Product Details: Grodan Improved Gro Block Improved GR6. 5 Small 4" withHole, 4" x 4" x 2. 6" Strip 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 trials is Grodan Gro Blocks Improved with Grodan's Advanced Wetting