So I know its much more than making your own by like 50$ but what do you think? Hydroponic Black Bucket Deep Water System (4-Pack)-V4DWC at The Home Depot I would be worried on pump strength making sure it got 5liters per plant per minute. Let me know what ya'll think of this for my tent ~_~ LetGo
its a good start but youll need to put reflective material on every bucket and add a recirculating pump for best results