Cream of Tartar save: This long-forgotten gem of a cleaning agent may be used with a little water or vinegar to lift even the most stubborn stains. Unattractive grout - Mold and mildew stains - Burner pans and casserole dishes. Cream of Tartar!
Revive the color and shine of copper cookware. Squeeze ketchup onto a cloth and rub it on pots and pans. After five minutes, rinse with warm water, and towel dry. It took me 2 days to clean my copper in the kitchen, this really works and it looks great!