How to clean a teapot effectively?

To clean a teapot effectively, first rinse it with hot water to remove any loose debris. Then, fill the teapot with a mixture of equal parts water and white vinegar and let it sit for about 30 minutes. After that, scrub the inside of the teapot with a brush or sponge to remove any stains or residue. Rinse the teapot thoroughly with hot water and let it air dry.