The Museum Precious Metals Cleaning Plate.
Using electrolytic action instead of traditional chemical polish abrasion, this tarnish remover bathes away tarnish from oxidized silver without removing any of the underlying metal. Simply place the 6" x 8" cleaning plate in a sink of hot water, add the activator, and immerse the tarnished metal. Tarnish dissolves and transfers to the cleaning plate, which lasts indefinitely and rinses clean under the tap. Non-toxic and harmless to precious gems, the tarnish remover cleans copper, quality brass, bronze, stainless steel, silver, and gold. Includes 1 lb. of activator; use 1 tbsp. per 1/4-cup of water. 6" W x 8" L. (3 oz.)