When its time to deal with built-on carbon build-up, slip on your gloves and grab the blue can! Cretors 19oz. Aerosol Can Carbon Cleaner is a powerful spray gel that dissolves grease and carbon buildup from metal surfaces, Teflon, brick and glass. Works quickly and easily, saving time and labor. Safe on aluminum. Spray carbon cleaner onto a cool kettle, let sit for 30 minutes or more, rinse off with clean water and watch the buildup fall off. 6 cans per case.