Grodan Pro Improved 10, 4Inches x 4Inches x 4Inches, 1,548 blocks loose on pallet cloning-&-seed-starting Ideal for Poor Soils and

Ideal for Poor Soils and Hydroponics: Perfect for depleted or rocky soils

Hydrofarm's Commercial Heat Mat helps maximize your growing area by letting you daisy chain up to 4 of the MTMDA add-on units to this one

Each milliliter/CC contains a whopping 2

this innovating trimming machine is built with home growers in mind

Great for greenhouse

Grodan Pro Improved 10, 4Inches x 4Inches x 4Inches, 1,548 blocks loose on pallet cloning-&-seed-starting Ideal for Poor Soils andNew 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