I spent close to 50 bucks on pvc fittings and stuff for the plumbing today. Building a manifold in a day or two or three... Busy with teaching summer school!
Anyhow, it'll have dual return lines, and three 1/2" lines with ball valves. I will use one line for water changes, 1 for a reactor and have an extra for the future. It'll all come off my water blaster 7000 return pump I am using for the current 120. pics to come.