check this out and all can be purchased at Walmart except the fill and drain tubes that came from a hydro shop but I'm sure something can be found in the plumbing dept of home dePOT!! :thumbsup:
2 Sterlite tubs, couple 6" air stones and a dual outlet air pump from pet dept, and the pump you can get from either walmart, home dePOT or Lowes in the garden section. setup runs on 6 gals of water and can do 2 good sized, 3 med sized or 4 small plants your choice.