Is the Pentair epoxy paint your final top coat?
This stuff?
http://pentairaes.com/plumbing-electrical-paint/electrical-paint-safety/epoxy-paint/show/all
That is the stuff. I've seen several builds use it and I know fishdog used it as well and has had his running since 2011. I've actually been copying a ton of his build and he has been extremely helpful with some of the aspects of my build.
I ordered one gallon of PT6 Dark blue and one gallon of PT10 Black. If you go to order it make sure you call them because there is a glitch in their system that will not allow you to place it online because there is an issue with their website. I havent decided how I am painting it yet, all blue, all black or blue back black bottom.
I'll post an update in a bit but I have completed all of the body filler and will begin sanding here shortly. Hopefully tonight I will begin fiberglass work.