seems like a drip system except there is no drip.. water is wicked up from the res same as the global bucket. Only real dif is a larger aerated res, and it utilizes a pump to keep the water level 1/2" below the pot full of media.
http://kat.cr/totally-organic-hydroponics-t3317892.html
http://kat.cr/totally-organic-hydroponics-t3317892.html