Grodan Gro-Block Improved GR40 (8x8x4) Uni-Block BULB Roots Organics Super Phos Rock

Roots Organics Super Phos Rock is fast acting and so powerful it should be used carefully and sparingly

monoammonium phosphate

and provides a carbohydrate source

Plasmopara

PTFE ring prevents a clogged junction caused by soil particles

Grodan Gro-Block Improved GR40 (8x8x4) Uni-Block BULB Roots Organics Super Phos RockGrodan Improved GR40 8"x8"x4" Uni 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 maintains its