Use in nonflammable, heat-resistant, well-ventilated container only designed for use as a candle holder. Burn 4 hours per use. Trim wick to 1/4 inch (6.3 mm) prior to use to reduce sooting. Avoid use in drafty areas. Keep wax pool free of matches, wick trimmings and carbon deposits. Do not move a burning candle. Keep bottom surface of upper pot clean of any carbon buildup. For use with liquid potpourri warmers or fragrance oil simmer pots.