Grodan Improved 5.6 Block, 3 in x 3 in x 4 in Size:Strip of 8 The TrolMaster DSC-1 CO2 control

The TrolMaster DSC-1 CO2 control / device module allows user the to easily connect and control standard supplemental CO2 devices or CO2 exhaust controls to the Hydro-x

The #4 is the largest perlite on the market and averages a whopping size of around 1 in

peat-based growing medium

This growth promoting substrate provides precursors to rooting compounds

Grodan Improved 5.6 Block, 3 in x 3 in x 4 in Size:Strip of 8 The TrolMaster DSC-1 CO2 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