Pro Alien RDWC systems incorporate huge 34L buckets and massive 100mm (4 inch) wide pipework. Alien hydroponic systems result in an extremely fast rate of growth, increased root space and unrestricted recirculation. This maximises the potential for the largest yielding plants to be grown hydroponically. These systems incorporate High blow Air Pumps, Ripstop Tanks and Norres PRO-Air Diffuser's resulting in Maximum Oxygen Saturation.
You will need Clay Pebbles for these systems.