Why does my sink smell like sewer?

If the P-trap isn't working properly, sewer gasses can make their way into the bathroom and cause your sink to stink. Your sink should also have a vent that gives backflowing gases somewhere to go. If the sewer smell in your sink is caused by a blocked air vent, you may need professional assistance.


How do I stop my sink from smelling like sewer?

“I use the time-honored baking soda and vinegar trick. Dump a good handful of baking soda into the drain, let sit (don't run any water) for 15 minutes, then pour 1/4 to 1/2 cup white vinegar down. Watch the bubbles, hear the pops and fizz, and let it sit for another 15 minutes. Then, boiling water and voila!

Why does it smell like sewer under my kitchen sink?

Food can get stuck in the drainpipes, eventually causing a blockage. Greasy foods harden on the drainage pipe walls, gradually leading to a rotten smell in your kitchen. Other food particles usually start accumulating on the greasy build-up, narrowing the drainage pipes and eventually causing a clog.


How do you fix sewer smell in water?

If you've verified the sewage smell is coming from your drain, cleaning it should resolve the issue. You can buy special organic waste drain cleaners, or try a home-made solution of baking soda, vinegar, and boiling water.

Will sewer smell go away on its own?

When that smell reeks of the sewer, it may not go away on its own but instead, point to a serious problem that might require professional plumbing repair. The wastewater plumbing systems in your home are fairly simple. They rely on unblocked pipes, gravity and fresh air venting to drain.


Does it Smell Like Sewer In Your Home? Try This First!



How do I stop my P-trap from smelling?

To eliminate odors coming from a dry p-trap, pour half a gallon of water into the trap to restore the barrier. It will prevent the odors from seeping through the drain. Another helpful method is to add a cup of white vinegar bleach to get rid of larvae and slow down the evaporation.

Can you pour bleach down a smelly drain?

Pour Some Bleach in It: Bleach, like other disinfectants, kills almost every species of odor-causing bacteria commonly found in drains and sewer lines. So, an easy DIY step to reduce drain odor is to use bleach.

Can I pour bleach down the drain?

Pour bleach into them

Bleach is a powerful, toxic substance that should be used carefully and properly, and pouring it down a drain is not a proper use. Bleach can react with other substances in your pipes, potentially release fumes, and further plug up the system.


What causes a sink to smell like rotten eggs?

A smelly sink is usually caused by bacteria build up from grease, fat and food which have been flushed down the drain. These will then get stuck in the pipes causing the familiar rotten egg smell.

Can baking soda and vinegar damage pipes?

While the baking soda and vinegar solution is effective in breaking down a clog, it will also cause your drain to become more damaged. The baking soda's abrasive nature will wear down your drain over time. This is why you should avoid using baking soda and vinegar solution for cleaning out your drain.

Can a plumber fix a smelly drain?

Professional plumbers may use industrial water jetters, snake augers, and pipe camera equipment to find and fix the cause of your drain smell. An experienced plumber can remove the clog at its source so you can enjoy a clear drain again.


What can I put down my drain so it doesn't stink?

Pour baking soda and vinegar down the drain: Run hot tap water for several seconds, and then turn the water off. Dump one cup of baking soda down the drain followed by two cups of hot vinegar. Let the concoction fizz. After one hour, flush the drain with hot tap water.

How do you fix a sink that smells like rotten eggs?

What to Do When Your Drains Smell Like Rotten Eggs
  1. Flush the Offending Drain With Water. ...
  2. Have Your Drain Traps Professionally Inspected. ...
  3. Try Vinegar and Baking Soda. ...
  4. Check for Dirty Plumbing Vents. ...
  5. Give Your Garbage Disposal Some Much-Needed Maintenance.


What does a dry P-trap smell like?

Dry air might just be the cause of that unpleasant rotten egg smell in your home. Especially during winter, a P-trap can dry up and allow sewer gas to enter the home.


How do you fix tap water that smells like rotten eggs?

Increase the water heater temperature to 160 degrees Fahrenheit (71 degrees Celsius) for several hours. This will destroy the sulfur bacteria. Flushing to remove the dead bacteria after treatment should control the odor problem.

Is vinegar good for drains?

Baking soda, vinegar and boiling water can help clean drains naturally, but you may need something stronger, like Liquid-Plumr, to fully unclog those really tough drain clogs.

What is the black gunk in my bathroom sink drain?

The black gunk that accumulates in your sink drain is created by a buildup of bacteria living on hair, hand soaps, shaving cream, skin cells, lotion, toothpaste, and phlegm (yuck!). The problem with this black gunk is it will not go away by itself.


What happens if I pour bleach and vinegar down the drain?

You may permanently damage your septic system. Bleach and cleaning fluids create toxic gasses when mixed together. If you pour bleach and other cleaning agents down your sink drains, and they mix in your pipes, you can contaminate the air in your home with the resulting gas created.

What is a good drain deodorizer?

Deodorize Drain Soda

In the container or cup, mix together ARM & HAMMER Baking Soda, vinegar and water. (You'll see immediate fizzing upon mixing.) Pour mixture down the drain.

What is the best homemade drain cleaner?

Baking Soda + Vinegar
  • Pour 1/2 cup baking soda, followed by 1/2 cup vinegar down drain.
  • Plug drain and let sit for one hour.
  • Then, pour a pot of boiling water down drain. Repeat if necessary.


How do you tell if P-trap is clogged?

Signs your P-trap may be blocked
  1. Your drain isn't clearing after you've done everything to clear the clogged drain. ...
  2. You smell a foul odor throughout your home. ...
  3. You hear a gurgling noise from the sink or tub.
  4. The water in your toilet seems weak, and the bowl isn't refilling quickly enough after a flush.


Can sewer gas come up through drains?

Answer: The only way sewer gas can get into a home is if there is something wrong with your plumbing. The most common fault in the plumbing system is untrapped drains, especially floor drains in the basement or utility room.

How often should I empty my P-trap?

At ASI, our plumbers recommending cleaning your P-trap once every three months. This helps keep your line clear water freely flowing.


Should I call a plumber if my water smells like rotten eggs?

To get rid of the bad odor, you'll want to contact a plumber to flush and disinfect your tank. Doing so will remove the bacteria and particles that create hydrogen sulfide. During a water heater flush, a plumber can replace your anode rod if it is corroded to prevent the smell in the future.

How do you freshen drain pipes?

Run hot tap water for several seconds, and then turn the water off. Dump one cup of baking soda down the drain followed by two cups of hot vinegar. Let the concoction fizz. After one hour, flush the drain with hot tap water.
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