Gro Block Improved Large 4"GR10 w/ hole 4"x4"4" Shrink/Strip Soil Potassium is essential for high-quality

Potassium is essential for high-quality fruit

or seeds started ready for transplant

Easy to move with built-in handles and wheels

and your fertigation strategy

Trim Bin Bottom by Harvest-More Features: 100% recycled materials

Gro Block Improved Large 4"GR10 w/ hole 4"x4"4" Shrink/Strip Soil Potassium is essential for high-qualityGrodan Improved Gro Block Improved GR10 Large 4" w Hole 4" x 4" x 4" Shrink wrapped 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 Grodans Advanced Wetting Agent. These leading edge