Grodan Pro Improved 10, 4Inches x 4Inches x 4Inches, 1,548 blocks loose on pallet chillers-heaters-and-purification and create greater yields

and create greater yields

Works with Hydrofarm reflectors and most others

Increases resin production/essential oils

and remember

Grodan Pro Improved 10, 4Inches x 4Inches x 4Inches, 1,548 blocks loose on pallet chillers-heaters-and-purification and create greater yieldsNew Grodan Improved! Improved product at current pricing. New density + new hydrophilic technology = better water distribution and root development. The uniform distribution of water and nutrients throughout the block allows for more efficient use of the entire substrate volume Full saturation of the blocks with no dry spots and improved EC control with less water is achieved in the rootzone due to the uniform, optimized wool resulting in a