Grodan Gro-Block Improved GR7.5 Medium (4x4x3.1) w/Hole Size/Quantity:Pallet of 2,160 - Loose including a programmable computer controller

including a programmable computer controller with many built-in standard features

these Bonsai style scissors are easier on your hands and allow for more precise cutting motions

Gently stir the Pen in the sample for a faster result

The GroLine Monitor automatically logs your results every 15 minutes over the last 30 days

Grodan Gro-Block Improved GR7.5 Medium (4x4x3.1) w/Hole Size/Quantity:Pallet of 2,160 - Loose including a programmable computer controllerGrodan 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