M_Boats: Removing rust stains from fiberglass M-15

Ahoy Skippers Happy New Year The Pelican is close to "fully found and in Bristol condition" Just have some rust stains in the non-skid fiberglass. Any of you skippers know how to remove the stains? Captain James Albert Sadler skipper sailing vessel Pelican M-15 jimsadler@jascopacific.com