EPi offers a wide selection of chemical cleaning solutions that are safe for copper. These solutions can be applied by soak cleaning.
Neutral phosphated multi cleaner for aluminum, brass, copper, steel, zinc, and stainless steel. Ready-To-Use for aluminum and other metals.
Heavy duty, granular, caustic soak cleaner for steel and copper.
Heavy duty, granular, high caustic, non-silicated metal cleaner for steel and copper.