Grodan Gro-Block Improved Jumbo, 6" x 6" x 4" w/Hole (Pallet of 704 Loose Blocks) HGC707342 Made in California

Made in California

HI7004-050 is a high quality pH 4

Roots Organics Terp Tea Grow delivers critical nutrition for heavy-feeding

Instead of expensive lighting and heating additions

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 Made in CaliforniaGrodan 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