This improved performance ionic cleaner gives a whole new level of cleaning. Because the ionic system does not vibrate in any way, it is safe for softer stones including turquoise, opals, emeralds and pearls. Removes oxidation and cleans gold or platinum in seconds without leaving residue to tarnish. Not recommended for use with silver. One year warranty. 12 fluid ounce capacity and comes with 16 ounces of Super Concentrate IonShine Solution