why does my bathtub drain smell like sewer

youre most likely smelling mold thats growing in your drain.
As part of their metabolic process, active mold spores release tiny puffs of gas that have a distinct musty smell. Whats worse is that gas can be dangerous. If inhaled, it can cause headaches, nausea, dizziness and fatigue. So, how do you get rid of those active mold colonies? Well, according to the EPA,. Just follow the steps below. What youll need: Steps to remove mold from shower drain: Mix equal parts baking soda and water to create a paste. Use the toothbrush to apply the paste over the shower drain. Wait 10 minutes. Then use the toothbrush to scrub the entire shower drain thoroughly. Repeat as many times as needed to loosen any mold around or under the shower drain. Boil 10 quarts of water, wait for it to cool and pour it slowly down the drain. Tip: If you have PVC piping, boiling water (212 degrees F) can damage it. Water that is approximately 140-150 degrees should be hot enough to kill mold. Pour a cup of vinegar down the drain slowly. Pour a half cup of baking soda down the drain. If your drain still smells like mildew after this or if the smell disappears then returns, you may have a larger mold problem that requires professional cleaning. Word to the wise: There is a high possibility that black mold will reappear even after professional drain cleaning.


Thats because mold needs food, moisture and warm temperatures to thrive, all of which are offered inside your shower drain. Ask your plumber for professional prevention techniques to keep the mold away. Have you ever walked into your bathroom and smelled an unusual odor? Well, thats probably happened a few times, actually! But have you ever clearly noticed a in bathroom that is just undeniably strange? If so, it could be coming from an external source from the actual sewer itself. And if thats the case, its important to take action as soon as possible to get rid of it. This sewer smell is certainly not pleasant, but more importantly, theres a chance the smell could actually be a serious safety hazard. Methane thats found in sewer gas can be flammable in large amounts. If this issue is left unresolved, sewer gases leaking into your home can also cause headaches and other serious health problems, so its definitely not something you want to ignore.


There are a few reasons this smell could appear out of nowhere in your homes bathroom. It could be a smell coming from toilet, or it could be something else. Check out our guide below to get a better idea of where exactly this sewer smell in the bathroom could be coming from. The first reason you could be noticing a sewer gas smell in bathroom has to do with the water in your bathrooms P-Trap evaporating, which leaves the room susceptible to odors. So what is the P-Trap and why do you need it? Its the section of piping underneath your sink that is shaped like a U. In normal plumbing circumstances, when everything is working well, a little bit of water remains in the P-Trap after you do the following:, turn off the faucet or empty the bathtub in your bathroom. This bit of water that regularly remains in the P-Trap basically acts as a barrier. As you can see in the image above, the water prevents sewer gases from entering your bathroom.


Who knew standing water was so effective in blocking an unpleasant sewer smell from toilet? Heres something you can do on your own. Try pouring about a quart of water into every drain within your bathroom. This should do the trick to fill the P-Trap and block the odor. Its normal to hear gurgling sounds after you do this. If the odor doesnt go away shortly after, there may be something else causing the smell. This something else thats causing the sewer smell from toilet could have to do with a poorly installed or cut vent pipe. The vent pipe is supposed to send gas odors outside your home so you dont smell them; however, sometimes a contractor vents these pipes to the wrong place, which is why you notice the smell. See if you can identify where the smell is coming from. If it seems like its coming from the wall, its most likely an issue with the vent pipe. A vent pipe can also have a crack that allows the odor to spill out. To find this crack, professional plumbers can use a smoke machine (dont worry, it fills your pipes with harmless smoke); once the smoke leaks out, your plumber can locate the leak and fix it.


And heres reason number three that could be causing that annoying sewer smell. Check to see if your sink has an overflow mechanism. As shown in the image above, this hole provides a bit of relief if the sink is overfilled. Like most appliances near water, it can build up grime in no time, so it could be contributing to the smell. Using a small bottle brush, try cleaning out the overflow hole to wipe away any buildup. You can also use a turkey baster to mix a solution of half chlorine bleach and half water. This will help clear out any grime (never mix chlorine bleach with anything else but water! ) What if These Do-It-Yourself Solutions Dont Eliminate the Sewer Odor? If none of the above mentioned quick fix solutions get rid of the sewer smell, its wise to call a professional plumbing company to investigate more thoroughly. Professional plumbers will not only pinpoint the exact cause of the odor; theyll also have the knowledge, experience and professional tools to eliminate it for good.

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