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

5 ml/gallon

Can be used for either the carbon or sediment filter

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

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

EACH CASE MASTER CASE PALLET Qty: 1 4 0 9 Weight (lb): 10

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