Grodan Gro Block Improved Mini Block 1.5" Strip -Shrink Wrapped (Sleeve of 45) GAC Certified by independent labs to

Certified by independent labs to meet or exceed International ANSI MSZ87+S and Canadian CSA Z94

Grow More's Mendocino Producer's Choice line of fertilizers are the most advanced powders we've ever created

Formulated from organic ingredients to provide an ideal balance between water retention

high-efficiency and made from environmentally-responsible recycled resins

Grodan Gro Block Improved Mini Block 1.5" Strip -Shrink Wrapped (Sleeve of 45) GAC Certified by independent labs toGrodan 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 Grodans Advanced Wetting Agent. These leading edge blocks have the optimal fiber structure and physical properties for crop uniformity, more