The answer to 'why is my drain cleaning' is that there are several common causes for a clogged or slow-draining drain, including hair, soap scum, food particles, and mineral buildup. Symptoms may include water backing up, slow draining, or foul odors. Solutions can range from DIY drain cleaning methods to professional plumbing services, depending on the severity of the clog.
For minor clogs, you can try using a plunger, drain snake, or chemical drain cleaner. However, if the clog is severe or the issue persists, it's best to call a professional plumber. They have the tools and expertise to properly diagnose and resolve the problem, preventing further damage to your plumbing system.