Grodan Gro-Block Improved GR22 Jumbo with Hole, 6" x 6" x 4" (Case of 64) nutrients-and-supplements and variable output control make

and variable output control make it friendly to new growers

Plug: The product utilizes a US standard plug

Telephone number: +34 91 562 04 20

Complete Nutrient System:

Each system features dual-ball bearing fans rated at 67

Grodan Gro-Block Improved GR22 Jumbo with Hole, 6" x 6" x 4" (Case of 64) nutrients-and-supplements and variable output control makeGrodan Gro Block Improved GR22 Jumbo with Hole, 6" x 6" x 4" Case of 64 New 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. The uniform distribution of water and nutrients throughout the block allows for more efficient use of the entire substrate