Grodan Gro-Block Improved GR22 Jumbo with Hole, 6" x 6" x 4" - Case of 64 Select Rockwool Type:GR10 w/ Hole 4" x 4" x 4" - Pallet of 1,584 doses may be increased 5

doses may be increased 5 fold

Dipotassium Phosphate

It is rich in all the liminoids and compounds that have earned Neem oil it's title as A Tree For Solving Global Problems

Ideal for large cultivation areas ranging from 4' x 4' to 4' x 6'

Grodan Gro-Block Improved GR22 Jumbo with Hole, 6" x 6" x 4" - Case of 64 Select Rockwool Type:GR10 w/ Hole 4" x 4" x 4" - Pallet of 1,584 doses may be increased 5New and improved stone wool substrate with advanced wetting technology from Grodan Introducing Grodan Gro Blocks Improved, a product specifically engineered to deliver real results for your crops, developed by plant scientists, researchers, and top growers. A core component of the "Precision Growing" philosophy, Grodan Gro Blocks Improved with Advanced Wetting Technology allow you to cultivate more uniform and high quality crops while using less water