GRODAN Improved GRO-Blocks Hugo, 6x6 w/Holes, 64 ct Humboldt County's It creates more compact and

It creates more compact and heavier blooms compared to competitive products

organic and humic acids that stimulate root growth

wind block

not volume

5 - 6 mil and is ideal for a variety of uses

GRODAN Improved GRO-Blocks Hugo, 6x6 w/Holes, 64 ct Humboldt County's It creates more compact andGrodan Improved Gro Block 6 inch Hugo. Case of 64. Hugo Gro Block, 6 inch x 6 inch x 5. 8 inch, with hole 40 40. 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 our Advanced Wetting Agent.