Ok guys, I purchased the goods and am about to set it up. Heres what I'm doing:
I couldn't find threaded copper pipe so I went with galvanized. I have 10 3' galvanized pipes, going to go up and down 5 times like in Rambo's picture. At the bottom of each I will have a 5" T going down to a ball valve drain. So there will be 4 drain valves and finally the craftsman filter at the end.