Dish Presoak is a pre-soak cleaner for tableware and flatware and also a detarnisher for silver. It softens and loosens the toughest food soils for easy removal in the dish machine. Due to special water conditioning agents, Dish Presoak gives excellent results in all water conditions. Oxide removal agents in Dish Presoak remove tarnish from silver by safe electrolytic action. Designed to be used for institutional presoaking of utensils. NEVER pour directly on ware. Keep out of dish machine.