HI Coop, you will use pvc you will need three 1/2inch elbo's, 1/2inch pvc tubeing cut to disered lengh for where you wish to have your spraybar. also cut 1/2inch pieces to piece the elbows together. drill holes about 1 inch apart 3/16 drill bit can do this on 90deg angles aswell, you will need to buy a endcap also if your using your return pump for this. or if your power head is strong enough. you will need a barb fitting for inlet from your return pump also. and you can get what they call door hangers there plastic for hanging cloths on the top back of doors i know home depot and lowe's carries this. goodluck hope this helps you. Missy