Scientifically formulated to clean jewelry in Ultrasonic Cleaners, Raytech’s Turbo Sonic Jewelry Cleaner Concentrate removes dirt, oil, oxidation, and tarnish from ultrasonic-safe jewelry. Excellent cleaner for diamonds , sapphires, zircon,  gold, and other jewelry (not for silver). You can also use it to clean watches, bracelets, and eye wear. Add 1 part concentrate to 20 parts water for light cleaning or 2 parts concentrate to 10 parts water for heavy duty cleaning. Provided in a bottle of 16 fluid ounces. Made in USA.