Grodan Improved GR40 Uniblock, 8" x 8" x 4", case of 36 nutrient rich 5 ml/gallon

5 ml/gallon

The RAY44 is designed to function as a complete sole-source lighting solution

yielding 70% energy savings versus the 1000W HID lights they replace

and countless quality-assurance tests—creating humidity-control solutions that are biodegradable

906716 or 906717 for communication with the EL controller

Grodan Improved GR40 Uniblock, 8" x 8" x 4", case of 36 nutrient rich 5 ml/gallonGrodan 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