Rooster Bright ammmonia-free concentrated brass polish with built in protectants. An initial treatment of three teaspoons per pound of media, (one teaspoon per pound thereafter), is all that is necessary. This will cut down on tumbling time and leave your brass gleaming. This is a user-friendly, ecologically sound, bio-degradable product which contains no petroleum distillates. With a mild citrus fragrance, it is pleasant to use and biodegradable.