Grodan Gro Block Improved GR6.5 Small 4" w/Hole 4" x 4" x 2.6" Strip bio-organic fertilizer temperature resistant up to 450C

temperature resistant up to 450C Shipping Dimensions: 25 x 25 x 18 in

Lithium Ion Battery lasts up to 1 hour on a single charge

The entire kit ships free in multiple boxes with no freight required

the tent offers a streamlined mechanism for intake and exhaust management

Grodan Gro Block Improved GR6.5 Small 4" w/Hole 4" x 4" x 2.6" Strip bio-organic fertilizer temperature resistant up to 450CDescription Product Details: Grodan Improved Gro Block Improved GR6. 5 Small 4" withHole, 4" x 4" x 2. 6" Strip 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