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Derived from naturally composted fine milled sphagnum peat moss and are fully biodegradable
1" inlet and outlet for whole house application
enhancing the durability and dependability of the RO system
Replaceable reflector and lamp
Grodan Gro-Block Improved GR7.5 Medium (4x4x3.1) w/Hole Size/Quantity:Pallet of 2,160 - Loose Derived from naturally composted fineGrodan 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
