Grodan Improved Hugo 6" x 6" x 5.8" (Pallet of 512 Loose Blocks) Spear T is easy to mount

is easy to mount

Precision mineral glass filter lens with HPS technology

(2) Mounting banks

Operating at a maximum of 150 psi

It works as both an indoor and outdoor planting mix and is ideal for hydroponics systems

Grodan Improved Hugo 6" x 6" x 5.8" (Pallet of 512 Loose Blocks) Spear T is easy to mountGrodan partnered with the Wageningen University and Research facility in The Netherlands and top growers throughout North America to identify the optimal stone wool substrate and irrigation strategies for specialty crops. The result of months of scientific research and trials is Grodan Gro Blocks Improved with our Advanced Wetting Agent. These leading edge blocks have the optimal fibre structure and physical properties for crop uniformity, more even