Go to wally's buy 5 gallon bucket and lid...$6 a dual airpump 8-9 bucks a few 1" airstones or 2 5" for a couple of bucks...order 5" netpots or forget lid...go to 4hydroponics.com and buy bucket lid/netpot all-in-one for 5 bucks...you can buy a bag of lava rock also, for $3...and there you have it DWC system all you need is a 400w or biiger light and your set.