Grodan Improved Gro-Block Big Mama, 8 x 8 x 8, no hole, case of 18 commercial-greenhouse-fixtures 75" Recommended Mounting Height 15"

75" Recommended Mounting Height 15" - 24" above canopy Certifications UL 8800

KALIX Amino Acids are suitable for use in conjunction with all nutrient and feeding programs

It is best to clean surfaces with this product before protecting it with a disinfectant

They do not exist in the general lighting industry

Grodan Improved Gro-Block Big Mama, 8 x 8 x 8, no hole, case of 18 commercial-greenhouse-fixtures 75" Recommended Mounting Height 15"Grodan Improved Gro BlocksLeverage the benefits of products developed alongside plant scientists, that are specifically engineered to deliver real results for your crops. Grodan Gro Blocks Improved with Advanced Wetting Technology Grodan's improved stone wool substrate. Keep it RealReal ScienceGrodan partnered with the Wageningen University and Research facility in The Netherlands and top growers throughout North America to identify the optimal stone