Grodan Gro-Block Improved GR10, large 4Inches loose on pallet (1,584) lamps Inject nutrients

Inject nutrients

After adding and stirring in each nutrient

and simply all you need to regulate CO2

Power: 560W/4

we are including five additional Perfecta Starter Boxes for FREE

Grodan Gro-Block Improved GR10, large 4Inches loose on pallet (1,584) lamps Inject nutrientsNew 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