Alien EasyFeed 8-Pot 22L Irrigation System (Excl. Tank)Alien EasyFeed 8 Pot 22L Irrigation System (Tank Excluded) A patent pending gravity fed irrigation system that runs eight 22L pots with no electricity, no water pumps, and no timers. Alien's EasyFeed takes the fiddle out of hydroponic feeding: fill the tank, let the system do the work, plants absorb exactly what they need through bottom feeding. Why growers choose the Alien EasyFeed 8 Pot: Eight 22L pots, gravity fed scales from 4 pot setups up to 100