If your gelcoat is cracked on the bottom of your boat, like along the runners, and water seeps in through the glass do you just have to repair the gelcoat or do you have to patch the glass? The glass and stringers are solid. there are a few bumps and bruises on the hull that need attention but the cracked gelcoat is making me worry...I'd post pictures but its pretty dark under there. I've read the posts in the tech section but couldn't find anything regarding gelcoat cracks.