Emerald ICP 1 is an environmentally friendly mildly alkaline, low foam, water soluble, liquid cleaner developed for cleaning ferrous metals, copper, brass alloys, stainless steels, aluminum, nickel alloys, and nickel coated substrates. It may be used as an immersion / soak clean, AGI–dip soak cleaner, ultrasonic cleaner, or as a spray cleaner in spiral washers. Emerald ICP 1 cleans and brightens most copper alloys.