human
What's the best way to clean a bathtub?
assistant
The best way to clean a bathtub is to use a mixture of baking soda and vinegar. Scrub it with a soft-bristled brush, rinse it off, and then dry it with a clean cloth or sponge. For tougher stains, you can also try using a mixture of equal parts water and dish soap, or a mild detergent.