Grodan Improved GR10 (White Foil) 4" x 4" x 4", 1,584 Blocks Loose on Pallet Brand growing-accessories It is compact and easy

It is compact and easy to install and use

yet it grows large plants efficiently

Store a large supply of carbon dioxide in a safe

Recommended for hydroponic use

With an amino acid profile unique in the industry Snow Storm consistently produces intense resin fragrance and flavor plus the well known ''frosted" look that growers love

Grodan Improved GR10 (White Foil) 4" x 4" x 4", 1,584 Blocks Loose on Pallet Brand growing-accessories It is compact and easyGrodan Improved GR10 (White Foil) 4 x 4 x 4 (1584 blocks Loose on Pallet) Grodan Improved Grodan 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