Grodan Improved GR40 Uniblock 8" x 8" x 4" case of 36 LUXX 200W BAR Emerald Harvest scientists have meticulously

Emerald Harvest scientists have meticulously mapped out your crop’s specific dietary needs for you

This setup is suitable for areas measuring up to 3x3 feet

perfect for the entry level extractor on a budget

damage-free cuts close to the ground

Grodan Improved GR40 Uniblock 8" x 8" x 4" case of 36 LUXX 200W BAR Emerald Harvest scientists have meticulouslyDescription Product Details: Grodan 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 Grodan's Advanced Wetting Agent. These leading edge blocks have the