Plumbing and water heaters
How to troubleshoot and a fix a clogged sink drain - learn easy DIY plumbing repairs
...P-Trap, that's the U-shaped portion that holds water and prevents the odor of sewer gases from entering your home. At the bottom of the P-Trap will be a plug that you can easily unscrew with pliers; do this gently to not crack it and increase the scope of your repair work.
If your sink is plugged, the first thing to t...