Grodan Improved GR40 Uniblock 8" x 8" x 4" (Case of 36) Grow Tents TSL Horti Tech and Grower’s

TSL Horti Tech and Grower’s Choice have joined forces with their years of innovative experience to create this high performance and cost-effective lighting solution for commercial horticulture

Use within 2 years of purchase

That’s why they offer a 5-year warranty on this product--so you can grow with confidence

Containing top-quality ingredients

allowing extremely quiet operation

Grodan Improved GR40 Uniblock 8" x 8" x 4" (Case of 36) Grow Tents TSL Horti Tech and Grower’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