Just wanted to share my set up. Two site system Going to use Each bucket has two air stones and pump return shoots down into resivoir to maximize do, also redundant if one fails will still have do so roots don't drown Resivoir resides in old box freezer with temperature control module to keep at nice 67 all times 600 watt Blackstar led for lighting. I still need to rig up ventilation and cover the white buckets somehow to keep light out. Set up: Mission control: Tent and buckets: Resivoir: