Grodan Pro Improved 10, 4Inches x 4Inches x 4Inches, 1,548 blocks loose on pallet cloning-&-seed-starting The TrolMaster DST-1 Temperature control

The TrolMaster DST-1 Temperature control modules allow the user to easily connect and control standard heating or cooling devices to the Hydro-x

and the MPDW Drinking Water Systems

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

Grodan Pro Improved 10, 4Inches x 4Inches x 4Inches, 1,548 blocks loose on pallet cloning-&-seed-starting The TrolMaster DST-1 Temperature controlNew 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