Grodan Gro-Block Improved GR7.5 Medium (4x4x3.1) w/Hole Size/Quantity:Pallet of 2,160 - Loose 100% coco growing medium made

100% coco growing medium made from coconut fiber

The 93" length allows trays to be palletized vertically in quantities of 30 on a standard 40" x 48" pallet

Truly unrivaled cloning success

The unique design and the high uniformity of light results in less hot-spots on the canopy and a more even plant growth

With upgraded stainless-steel components this 3/4 HP pump is perfect for tanks 50-2000 gallons that are under five feet tall

Grodan Gro-Block Improved GR7.5 Medium (4x4x3.1) w/Hole Size/Quantity:Pallet of 2,160 - Loose 100% coco growing medium madeGrodan Improved GR7. 5 Medium 4"x4"x3. 1" Gro Blocks optimized wool structure allows for faster rooting in and nutrient solution replenishment. New and improved wetting agent and hydrophilic technology greatly enhances the water characteristics giving even better water distribution over the height of the block. This results in greater plant development and steerability and more efficient use of water and nutrients. All while the Gro Block Improved