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.

What causes P trap to smell?

A p trap is designed to use water to block the sewer gases from leaking up the drain. If a sink’s p trap dies out this can result in a drain that smells bad. To alleviate this problem pour water down the drain to restore the water barrier in the p trap.

How do I stop sewer smell from drain?





Simply pour several tablespoons of baking soda down a blocked or smelly drain, then follow it up with several tablespoons of plain white vinegar. Then quickly block the drain tightly and wait a few seconds.

Why does my outside drain smell like rotten eggs?

When an outside drain smells of rotten eggs, this is usually a sign of sewage gas, such as hydrogen sulfide, building up into your drain as a result of a clog. This is likely a result of bacteria growth in the ground around the outside drain.

How do you clean a P trap without removing it?

Quote from the video:
Quote from Youtube video: Also known as slip joint nuts. At this point you're going to get a little bit of water. You can finish removing your lock nuts P chap should slide right down out of place empty it out.

How long does it take for P-trap to dry out?

P-traps can dry out as quickly as a month, sometimes even less than that. This happens most often in winter. To prevent your P-trap from drying out, run the sink or shower for a minute or two once a week to keep water flowing and your P-traps from drying out.

How do I fix a smelly bathroom drain?





Mix one cup of vinegar and a cup of boiling water and pour it down the sink. This results in a chemical reaction which loosens any remaining debris. Cover the drain with a plug or sponge which lets the chemical reaction do its thing below the surface of the drain. Leave it for 5-10 minutes.

Why does it smell like poop outside my house?

It occurs when the P-trap is dried out or if you don’t have proper ventilation to stop sewer gases from leaking into your home. Sewer gases can make you sick because they contain hydrogen sulfide (H2S) and methane. Sometimes, gases might get pulled down into the yard, hence a foul sewage smell outside your house.

Why does my drain smell like sewer?

There could be odor-causing bacteria feeding on debris in your pipes. This process will give off a foul-smelling hydrogen sulfide gas, which smells like sewage or rotten eggs. Also, mold grows where it’s warm and wet — and mold growth on the debris causing a drain clog can also cause a bad smell.

Can you 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.

How often should P traps be cleaned?



once every three months

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

How do you keep P traps clean?

Cleaning a P-Trap

  1. Clear the Area Under Your Sink. …
  2. Place a Bucket Under the Pipes to Collect Water. …
  3. Remove the Coupling Nuts Attached to the Drain Pipe. …
  4. Plug the Pipe Coming From the Wall. …
  5. Clean the Inside of the P-Trap. …
  6. Reassemble the P-Trap. …
  7. Run Water to Test if the P-Trap Leaks.



How do you open P-trap under sink?

Quote from the video:
Quote from Youtube video: Using your rag place it in your hand and grip the p-trap. Now grip the other side and you're doing this so you don't actually snap the pipe. And just turn it loosen up a little bit now do the other.

How do I clean the pipe under my sink?

Try this alternative using baking soda and boiling water: For an easy, natural way to clean your drain pipes, pour 1 cup of baking soda down the drain, followed by 2 cups of boiling water. Let the mixture work for about 30 minutes, then use a plunger to break up any clogs.

Does baking soda clean drain?

Baking soda is a kitchen staple that can work wonders to clean smelly and clogged drains. In kitchen drains, the most common clogs are from fat, oil, and grease. For bathroom drains, clogs most often form from hair and scum from personal products.

How do I remove a rusted P-trap?



Hold the P-trap pipe steady with a second pipe wrench. Turn the nut counterclockwise until it turns by hand. Pull the nut away from the house drain. Loosen and remove the nut holding the top of the P-trap to the bottom of the tailpipe, using both pipe wrenches.

Do you have to turn off water to replace P-trap?

All you need to do is make sure the sink’s faucet is off. Keep in mind that even though the water is off, there will still be water in the P-trap. No matter how long you wait after turning off the water, this is a wet process. We recommend putting the bucket under the pipe when you turn the water off.

When should I replace my P-trap?

It is required by plumbing code and is often part of installing a new sink since an old trap assembly doesn’t always fit the new sink configuration. When parts of a trap corrode or the joints begin to leak and can’t be fixed by tightening the connecting nuts, it’s time to replace the entire trap assembly.