Grodan Improved Gro-Block, Jumbo 6" x 6" x 4" (Case of 64) Disinfectant crop type and stage of

crop type and stage of plant development

For one room without auxiliary equipment or alarm contacts

Compatible with hydrogen peroxide

Stabilizes water pH over time

Grodan Improved Gro-Block, Jumbo 6" x 6" x 4" (Case of 64) Disinfectant crop type and stage ofGrodan 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