Some of you might have read my other thread where I posted that I got some better quality gate valves. I waited until my next water change/maintenance day to install them. First a shot or two of the plumbing before: And here's the new and improved plumbing: I've had such a hard time finding these, that I bought the last 3 the hardware store had. I'm going to have to find one more for the return line. Then I'll be set!