How do you take care of a neon sign?
Buying commercial cleaners that are specifically designed for neon signs is also a good idea if the stains are old or hard. Remove stains and dirt For stains and dirt, mix ½ cup of household ammonia with ½ cup of water in a plastic container. Believe it or not, you better always leave your neon sign plugged in, unless you clean it or have it repaired. Then moisten a cloth with the mixture and wring out the excess. What is the best way to clean...