Provides excellent oxide removal and etching properties to help metals bond better when electroplating. Effective on white metals, brass, bronze, nickel, stainless steel, steel, silver and gold. Do not use on zinc. Use only in a well-ventilated area. The pH is 0.5 - 1.0.  Wear safety goggles, gloves and apron and avoid skin and eye contact. Mix in a glass beaker with room temperature water.  No anode or heat required, this is to be used at room temperature. Immersion time should be 15-60 seconds.