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 including pearls 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 Empty contents of concentrate packet into jar and add approximately 6 ounces of water. Place jewelry in basket and immerse in jewelry cleaner bath. Let soak for up to 1 minute. (Use the included cleaning brush if necessary.) Remove jewelry and rinse with water. Dry with soft cloth. Repeat if necessary.