If you have a sink or tub ... need in your bathroom cabinet. For instance, little brown bottle that costs only around a dollar may contain the special ingredient to get your drain flowing freely ...

We asked an expert to explain the various ways a bathroom sink can get clogged, how to fix it, and when it's time to call a professional plumber.

Want to make sure your drains are running perfectly? You'll have to know how to properly clean the drain traps. This guide makes it simple.