Klean Karats Jewelry Bath is a non-toxic biodegradable jewelry cleaner. Test first on jewelry that has dyed pearls or stones, as some of these treatments are not permanent. Safe for gold, silver, and platinum jewelry Safe on most gems and delicate stones like opal and turquoise The only exceptions are Amber and Ethiopian Opals A pack of concentrated solution comes with every jar Follow mixing instructions *Liquid is biodegradable, meaning it can break down and not contaminate or pollute our water, or our environment.