i have tried tightning them down the leak will stop then start does neone know of a good bolt sealer i can put on them if i pull them one by one to get me through the season ?? it seems they keep vibrating loose the boat is a 86 galaxy conquest.. I am planning on restoration this winter just trying to get some time out of it baught it in oct n didnt see these problem it also has some soft spot in the floor looks like the previous owner laid ply over the original floor as a cheap fix but it is softened up know also is there a fiberglass sealer i can jsut go over it with to hard up underneaths seems solid still but wont know for sure till i tear into it ??