Gro Block Improved Large 4"GR10 w/ hole 4"x4"4" Shrink/Strip dry fertilzers Its low nitrogen

Its low nitrogen

How it works

Ammonium Molybdate

reduce evaporative water loss

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Gro Block Improved Large 4"GR10 w/ hole 4"x4"4" Shrink/Strip dry fertilzers Its low nitrogenGrodan 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