Polished nickel gives off a yellow, or golden hue in the sun. This gives nickel a more regal look than many other types of metal. However, with age and exposure, tarnish will find its way onto your nickel object and often diminish its value and look. There are several ways to remove tarnish from nickel with common household products.
Mix 1/2 cup of water and 1/2 cup of vinegar in a spray bottle.
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Spray the polished nickel object with the solution. Allow the solution to sit on the object for 30 seconds.
Dampen a clean, soft cloth with water. Wipe the tarnish and solution off the object with the cloth.
Repeat the process to remove any stubborn tarnish.
Dry the nickel object with a soft cloth.
Make a solution of warm, distilled water and dish soap.
Dip a soft toothbrush into the solution, and scrub away tarnish from the polished nickel.
Pour three parts ammonia to one part distilled water into a bowl or cup.
Dip the soft toothbrush into the ammonia solution, and use it to scrub away any stubborn tarnish.