Amazon has the 7oz Weiman Jewelry Cleaner Liquid for $3.70 - 5% off with Subscribe & Save (can cancel at any time) = $3.52 with free shipping on $25 or with Prime. Contains a mixture of surfactants, ammonia and ch-elating agent to remove dirt and restore shine without harming your jewelry. Should not be used on coral, ivory, amber, malachite, pearls, opals, jade or turquoise.