I would say this is a very easy fix. Nice score on a great sump (I am assuming you didnt pay much for it). Get a router and cut out all of the bad. Slap a new piece on the outside and call it a day. If you want it to look great and/or add any additional customizing to it (probe holders, heater holders, auto top off plungers, etc) I would recommend Hooked. He could probably match the nice trigger system red acrylic. He has built some BA stuff lately.