Gee crusty $100/ L it would want to put its self on for that sort of money ! & primer ? It can only be as good as the paint developed for oil rigs in the North Sea. I agree wholeheartedly don't use house paint, you will find yourself gernieing it off, in little plasticity soft flakes, woops don't ask me how I know

and if it's in an area of your vessel that drains to the pumps, guess what ..........