Grodan® GRO-BLOCK Improved GR10, Large 4" Block with Hole, 4" x 4" x 4", 6 Blocks Per Strip (24 Strips/Case) Root Inoculants 5 is a supplement that

5 is a supplement that helps plants flourish in extreme environments

For hydroponics

Bacteria: Bacillus azotoformans

It can even be combined with many other other fertilizers

Grodan® GRO-BLOCK Improved GR10, Large 4" Block with Hole, 4" x 4" x 4", 6 Blocks Per Strip (24 Strips/Case) Root Inoculants 5 is a supplement thatGrodan GRO Block Improved GR10 Large 4" (4 x 4 x 4) with Hole Unwrapped Strips in Carton, 144 Units (24 Strips of 6) A core component of our "Precision Growing philosophy, Grodan Improved Gro Blocks with Advanced Wetting Technology allows you to cultivate more uniform and high quality crops while using less water and nutrients, batch after batch. Leverage the benefits of products developed alongside plant scientists, that are specifically engineered