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Zero ozone production
This ingenious combination of Clove Bud Oil
Leafroller (Argyrotaenia franciscana)
Prevents overwatering
Material Per Load : 25-35 LBS
Grodan Improved Gro-Block, Jumbo 6" x 6" x 4", Case of 64 odor-control Zero ozone productionGrodan Improved Jumbo (White Foil) 6 x 6 x 4 (Case of 64) 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 have the
