Copper Laser Mirrors Cleaning Solution COPPER MIRROR CLEANING SOLUTION $49 – Catalog # CMCS 101 – 16 oz. Flush mirror surface with water to remove dust contamination. While still wet, spray mirror surface with Copper Mirror Cleaning Solution. Rinse mirror surface with de-ionized water or distilled water. Dry mirror surface using dry nitrogen gas or a 1 micron filtered low pressure compressed dry air supply. If the surface is heavily corroded repeat steps 2 – 4 several times.