Grodan Gro Block Improved GR4 Small 3" No Hole 3" x 3" x 2.6" Strip Air Purification PrSpec: 100 μmol/s

PrSpec: 100 μmol/s

Under the surface Coir Crunch stays damp and loose

7/16'' THICK Heavy Duty Super Steel Stakes are ready for heavy lifting

resulting in exuberant green foliage

Grodan Gro Block Improved GR4 Small 3" No Hole 3" x 3" x 2.6" Strip Air Purification PrSpec: 100 μmol/sNew Grodan Improved! Improved product at current pricing. New density + new hydrophilic technology = better water distribution and root development. The uniform distribution of water and nutrients throughout the block allows for more efficient use of the entire substrate volume Full saturation of the blocks with no dry spots and improved EC control with less water is achieved in the rootzone due to the uniform, optimized wool resulting in a