Grodan Gro Block Improved GR6.5 Small 4" w/Hole, 4" x 4" x 2.6" Strip - Case of 216 spl_dlw Because it contains isopropyl alcohol

Because it contains isopropyl alcohol

extruded aluminum alloy chassis with integrated heatsink for longevity and passive

to help save time during a hot swap

This new material is thicker and stronger for ultimate durability

The Vermi T Bio-Cartridge holds a plethora of biodiversity that isn't found in any other tea on the market

Grodan Gro Block Improved GR6.5 Small 4" w/Hole, 4" x 4" x 2.6" Strip - Case of 216 spl_dlw Because it contains isopropyl alcoholGrodan 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