The answer to 'sink making gurgling noise' is that a gurgling sink is often caused by a blockage or obstruction in the drain pipe. This can occur due to hair, food debris, or other materials building up over time. Gurgling noises indicate that air is being forced back up through the drain, which can be a sign of a partial clog.
Some common symptoms of a gurgling sink include slow draining water, foul odors coming from the drain, and bubbling or gurgling sounds when the sink is in use. To fix a gurgling sink, you may be able to clear the clog yourself using a plunger, drain snake, or chemical drain cleaner. However, if the clog is further down the pipe or the issue persists, it's best to call a professional plumber to inspect and properly clear the blockage.