There are exceptions to almost every rule, but if an enamel or varnish incorporates cobalt as the main drier it will not cure if it comes in...
I reread your original post, the other thing I would caution is the "stirring or mixing up" varnish. Varnishes should be gently stirred, anytime...
Phil, I think we've all forgotten a step in some process at one time or another, I know I have. Good luck with your boat and finish. Mike
There is a good chance that it could be amine blush or sweat that wasn't removed from the 100 solids epoxy. Cobalt is used as a drier in many...
I've had quite a bit of experience with Awlgrip. 545 primer is really considered a finish primer and is designed to be used prior to the finish...