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Clogged Bathroom Sink: Clearing Techniques and Prevention Tips

A clogged bathroom sink is a common household problem that can quickly become a big issue. If you don’t deal with a clogged bathroom sink right away, you may find yourself with problems like bad odors, fixture damage, pipe damage from the pressure caused by the bathroom sink clog, and even structural damage from water overflow.

How To Prevent A Clogged Bathroom Sink

While clearing a clogged bathroom sink is easy, it’s even better to prevent clogs in the first place.

  • If you shave in the sink, wipe out the hair instead of washing it down the drain.
  • Clean the sink stopper regularly.
  • Add a grate or screen that will trap debris.
  • Flush the sink with hot tap water after use.
  • Periodically use boiling water to break down soap scum.

Help! My Bathroom Sink Is Clogged!

So what should you do if you’re having problems with your sink? Clogged bathroom sinks are annoying, but you can deal with them. Here are six methods to approach a slow-draining sink. Clogged bathroom sinks will often resolve with the first three methods, so try those first before progressing.

Boiling Water

To use boiling water to unclog your bathroom sink, allow the sink to drain completely. Then, slowly and carefully pour a pot of boiling water into the sink. Allow the water to drain. This will likely clear the clog immediately; if it doesn’t, you will want to try another method.


A plunger uses suction and pressure to remove a clog. Make sure there is enough water in the sink to cover the bottom of the plunger cup. Place the plunger over the drain, forming a tight seal, and vigorously plunge up and down several times. Repeat as necessary

Baking Soda and Vinegar

Pour ¼ cup of baking soda into your drain. Then, add 1¼ white vinegar to the drain. Plug the drain with a stopper and let the reaction bubble for 20 minutes. Flush with boiling water, and repeat if necessary.

Remove The Sink Trap

If the clog persists, you may need to remove the sink trap. Place a bucket or towels beneath the trap to catch any water. Use pliers or a wrench to loosen and remove the trap. Clear any debris or clogs from the trap using a wire hanger or a brush. Once cleared, reattach the trap securely.

Plumbing Snake

Remove the sink trap and insert a plumbing snake (also called an auger) into the pipe opening, rotating as you push forward. Continue until you’ve hit something, then secure the snake and retract it– and the clog.

Wet/Dry Vacuum

To use this method, remove the trap and attach the vacuum hose to the stopper pipe– the vertical pipe that goes to the sink basin. Plug the drain with a stopper to create a seal, and turn on the vacuum. You may need to pulse the power to help get the clog moving.

If Your Sink Is Still Clogged

If you’ve tried everything and your bathroom sink is still clogged, you likely need professional help. If that’s the case, you need the friendly pros at Intown Plumbing! Give us a call at 469-207-1400 or email us at [email protected] for all of your plumbing needs.

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