Such high-frequency use causes sinks to get dirty quickly ... on to find out what experts recommend for cleaning bathroom and kitchen sinks and the signs that it’s time for a good scrub.

Due to their legions of fans, knowing how to clean a copper sink is quickly ... To protect the patina, avoid leaving dirty dishes or stray food in the sink for extended periods of time.

Clean spills immediately, especially coffee, wine, and tomato sauce, which can stain if left too long. "Basically, avoid ...