Flitz Brass Case Polish Tumbler and Media Additive is a liquid formula that quickly and efficiently cleans and polishes brass, nickel and silver. It removes oxidation, tarnish, lead buildup and fingerprints. Will not weaken brass. Use: Add 1oz per 1lb of media, to rejuvenate add one capful to media. Notes: Safe for all metals, ammonia freeSpecifications and Features: Flitz Item Number TA04806 Ammonia Free Cleans and Polishes Brass and Nickel Reduces Cleaning Time Suitable for Corn Cob, Walnut or Other Media Can Be Used in a Variety of Tumblers 16 oz Bottle