Well its 2 buckets and i have added 2 air stones in the bottom im using super thrive a shot of shults hydroponics and some foxfarm and boy let me lett you THERE GOING TO TOWN just added 2 new lights so i got about 325w CFL total on them right now. and these here are some pics of them as they are now wanna know any more about the setup just shoot me a line I use PERLITE