To get rid of yellowing from white appliances, try this,mix together hafe cup bleach, fourth cup baking soda and four cups warm water. sponge and let set for ten minutes. rinse and dry.
Instead or using commercial waxes, shine with rubbing alcohol.
Fill a spray bottle with vinegar and add 3 tablespoons of salt. Spray solution liberally on copper pot. Let set for a while, and simply rub clean.
Or : Dip lemon halves in salt and rub.
Or: Rub with Worcestershire sauce or catsup. The tarnish will disappear.
Or: Clean with toothpaste and rinse.