Reefdaddy

Well Iam little confused on how to do this and any feedback would be appreciated greatly. I have a ton of DIY I do, (kinda a habit from back in the day)
Some background. I been keeping reeftanks since 1978 or 9. Back then it was water changes almost daily with soft corals only. We used Plant grow lights light the aquarium and home made filters to keep things in check. So I still make quite bit of stuff, My largest tanks were dual 140's made of plywood back in the mid 80's. They crashed every ...