Grodan Gro-Block Improved GR32 Hugo with Hole, 6" x 6" x 6" - Pallet of 512 Select Rockwool Type:Mini-Block, 2" - Case of 1440 One quick glance is all

One quick glance is all it takes

Available sizes and lengths:

rust-proof tubing stake

and a totally enclosed UL507 outdoor certified energy efficient motor

9 umols/s for intense output your plants will love

Grodan Gro-Block Improved GR32 Hugo with Hole, 6" x 6" x 6" - Pallet of 512 Select Rockwool Type:Mini-Block, 2" - Case of 1440 One quick glance is allNew 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