I recently repainted the bottom of my aquasport with West Marine CPP Multi-Season Ablative Bottom Paint. I masking taped the edges quite well, and painted away. When I removed the tape I found much to my dismay the evil bottom paint (which will stick to damned near everything) had bled through the masking tape and left a blue stain into the gelcoat. I tried paint thinner, and even went so far as to use west marine's $12-a-can recommended 'MARINE PAINT THINNER' which to me smelled identical to regular paint thinner, and nothing would remove these blue stains...<br /><br />This paint is tough stuff - anyone have any tips to get it off?