How do I unclog a bathroom sink without calling a plumber?

You can often clear a bathroom sink clog yourself using a few simple methods. Try these in order:

1. Boiling Water If the clog is caused by soap scum or hair, pour a kettle of boiling water directly down the drain. This works best if you have metal pipes. If you have PVC (plastic) pipes, use very hot—but not boiling—water to avoid softening the joints.

2. The Plunger A small cup-style plunger works best for sinks.

• Fill the sink with enough water to cover the cup of the plunger.
• If your sink has an overflow hole (the small opening near the top of the basin), cover it with a wet rag or tape; this creates the vacuum needed to dislodge the clog.
• Place the plunger over the drain and pump vigorously up and down several times.

3. Baking Soda and Vinegar This natural chemical reaction can break down organic matter:

• Pour 1/2 cup of baking soda down the drain.
• Follow it with 1/2 cup of white vinegar.
• Cover the drain with a plug or rag and let it sit for 15–30 minutes.
• Flush with a kettle of boiling water.

4. Clear the P-Trap If the above steps don't work, the clog might be in the P-trap (the U-shaped pipe underneath the sink).

• Place a bucket under the pipe to catch any water.
• Unscrew the slip nuts on either side of the P-trap by hand or with a pair of channel-lock pliers.
• Remove the trap and clear out any debris inside.
• Reattach the pipe, ensuring the washers are seated correctly, and run the water to check for leaks.

A Note on Chemicals: Avoid using harsh commercial drain cleaners if possible. They can damage your pipes over time and are hazardous to handle if the clog doesn't clear and you need to take the pipe apart later.

If these steps don't resolve the issue, you may have a clog deeper in your plumbing system that requires professional tools.