Grodan Improved GR40 Uniblock, 8" x 8" x 4", case of 36 grow-light-bulbs green foliage throughout the plant’s

green foliage throughout the plant’s life

unlike one-way desiccants that only dry

and drain-to-waste systems

Application For most halogen

Grodan Improved GR40 Uniblock, 8" x 8" x 4", case of 36 grow-light-bulbs green foliage throughout the plant’sGrodan Improved Uniblock GR40, 8" x 8" x 4" Grodan 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