Things You'll Need
2 tbsp. cream of tartar
Metal bird baths are often affected by rust, which mars the appearance of the ornamental decoration. Removing the rust requires a product that provides enough abrasion to dislodge the rust without tarnishing or harming the metal. With the appropriate products and procedures, it's not difficult to remove rust from a metal bird bath.
Soak up any water in the bird bath with a large sponge.
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Combine 2 tbsp. cream of tartar with enough hydrogen peroxide to form a paste. Apply a small amount of the paste to a damp cloth.
Rub the rusted area of the bird bath with the paste, using small circular motions. Wipe the area with a wet sponge. Apply additional paste as needed to loosen all the rust spots. Wipe the rust and paste from the bird bath with a sponge.
Rinse the bird bath with a garden hose. Fill the bird bath with fresh water.