Grodan Gro-Block Improved Jumbo, 6" x 6" x 4" w/Hole (Pallet of 704 Loose Blocks) HGC707342 A combination of the natural

A combination of the natural wetting agents yucca and quillaja

Heavy-duty 3 ft x 3 ft quick assembly tray stand

48 inches of Super Flex Tubing

HI7004-050 is a high quality pH 4

which is a chemical compound that is strong and clear

Grodan Gro-Block Improved Jumbo, 6" x 6" x 4" w/Hole (Pallet of 704 Loose Blocks) HGC707342 A combination of the naturalGrodan 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 optimal fibre structure and physical properties for crop uniformity, more even