Ok so I have put on paper the tank and locations of the overflow and holes that have been drilled for the CL. These holes were drilled by the owner. He intended to make this tank a reef tank but never added water or plumbing. In fact he never did anything once He brought it home from the builder.
![150plan.jpg](/proxy.php?image=http%3A%2F%2Fi120.photobucket.com%2Falbums%2Fo192%2Fmikebharris%2F150plan.jpg&hash=20b04e249a6ad302295429370842f38e)