Shower Drain Smells Like Rotten Eggs: Causes & Fixes

 Shower Drain Smells Like Rotten Eggs: Causes & Fixes

 Learn How to Stop Your Shower from Smelling like a Rotten Egg!

There’s nothing worse than a clogged drain. But what if your drain smells like rotten eggs? What could possibly be causing that smell? How can you fix Shower Drain Smells Like Rotten Eggs: Causes & Fixes? If you’re anything like me, you may not have even known that there was a problem with your shower drain until you started getting that awful, rotten eggy smell every time you took a shower.

I am going to discuss about Shower Drain Smells Like Rotten Eggs: Causes & Fixes

Why do the rotten eggs smell?

1. Clogged drains

2. Dry or dirty P-trap

3. Biofilm Buildup

4. Leaky pipes

5. An old toilet wax ring

6. Mold

7. Water contamination

Tips to prevent the smell in the future

1. Ensure that the garbage disposal is clean

2. Use a plunger to unclog the drains.

3. Clear the plumbing vents

4. Always keep your bathroom clean

5. Hire a plumber

Why do the rotten eggs smell?

Every so often, you might smell the bad breath on you just as you walk into the bathroom.

In most homes, showering is both an enjoyable and relaxing experience.

If the kitchen, bathtub, or shower area smells unpleasant, then you can use your sink to catch the odors and keep it from

If you can’t get rid of the smell in the bathroom, the drain is to blame.

There are a lot of things that stink, and the rotten egg smell is one of them. It comes from a gas called hydrogen sulfide.

The best solution to this problem is the usage of natural gas, which will kill the bugs and reduce the smell.

Sometimes, it might be due to contaminated water, among other causes.

Root causes are important, so you need to dig into them and figure out what’s causing the problem.

There are many causes of this problem.

1. Clogged drains

If your drains are clogged, this smell is one of the leading causes of the stink.

It’s important to consider this as a possibility when you notice an odor coming from your shower drain.

If the drain is clogged, the water may be draining slowly.

Drainage is very important to keep drains clear. Sometimes it doesn’t drain out fully.

The bad news is that clogged drains sometimes cause unpleasant odors.

Clogged drains are caused by hair, mineral deposits, soap scum, dirt, sand, small items, and debris, among other things.

Clogs generally occur when the cause is a combination of the items mentioned above.

Hair follicles are the location of sebum glands, which produce a substance called sebum that prevents hair and soap from clumping together.

This might make your drains smell. If that’s the case, you need to get them cleaned out as soon as possible.

2. Dry or dirty P-trap

Your P-trap is the piece of equipment that drains the water from the shower. When it’s not working properly, your shower drains smell like a sewer.

A P-trap is a U-shaped section of pipe that dips below the rest of the shower drain line. It connects to your main stack.

A properly working toilet is essential to a good plumbing. At all times, the P-trap should hold enough water to prevent sewer gas from escaping from your bathroom drains.

If you begin to smell the rotten-egg odor from your drainpipes, then the P-trap might be clogged.

Sometimes, it might evaporate if you don’t use your shower for months at a time.

It is advised that you should run the water for a few minutes to cool the pan down.

You should be careful about this device. It will be quite dirty when used on your face. It is necessary to clean the P-Trap regularly.

Therefore, you should clean your air purifier regularly so as to mitigate this problem.

It’s possible the vent stack may be broken or blocked, which would create a vacuum that empties out your trap.

3. Biofilm Buildup

Sometimes, the water is dirty, and that’s what is causing biofilm to build up in your shower and the shower drain.

If you keep your dryer at too high a heat setting, the dryer could emit an unpleasant odor. That odor could come from biofilm.

Other times, it looks like mold, but is actually a substance formed by a dynamic colony of bacteria and bacteria waste.

When this bacteria forms a slime-like coating around the teeth, called dental plaque, it can cause serious health problems.

Slime isn’t fun. In addition to being slimy, it also clings to surfaces such as showers, birdbaths, and the like.

The biofilm analogy is a great way to explain why you should clean your shower regularly. It may take some time and effort, but eventually, you’ll have a beautiful shower that looks like new.

One common type of mold that may grow in your bathroom drains is called the pink molds.

This bacterium lives in soil, water, insects, plants, and even on the human body. It can grow in liquid media, dry media, or in complex environments, like meat.

There is normally a lot of it in a hospital, but it is a very good bacterium.

4. Leaky pipes

You may not be able to get rid of the smell of rotten eggs that emanates from your kitchen sink if your kitchen sink has no drain.

Sewer gases can escape through leaking pipes in your wall or under your shower, allowing odors to escape and causing mildew.

When you release hydrogen sulfide, the shower drains may have a smell similar to rotten eggs.

Leaking can be caused by perforations in pipes or loose-fitting between runs of pipe.

An example of this would be, if you have rust stains on the walls of your bathroom or kitchen.

Poor installation can also lead to this problem because there may be loose fittings.

Sewer systems should ideally be sealed, airtight, and fully functional all the time.

Loose-fitting or no, if there is an unpleasant smell in your shower drains, that means you need a new shower. A new shower should improve your bathroom odor significantly.

Whether you wear a pair of flats or a pair of boots, clogs will wear your foot down and your shoes will have to be replaced sooner than you’d want.

If the clog contains a harsh chemical cleaning product or a corrosive substance, this can allow these materials to remain in your pipe and eat through it.

Corrosion as a result of clogs usually takes place when the strength of your pipes’ wall is compromised over time due to long-term corrosion

If there is a possibility that plastic sewerage pipes can be eaten by rodents, it is best to use copper or other metals.

To solve this problem, you should consider routine checks to ensure that your pipes are in perfect condition all the time.

Don’t assume that dead animals have died because of natural causes. It is possible that these animals might have been killed inside the pipes.

These include rodents, birds, and other small animals that may find their way into your drainage system.

When these creatures die, they can cause blockage in your pipes, leading to unpleasant smells.

5. An old toilet wax ring

The best way to keep sewer gas at bay is to put up a mosquito-repellent net and hang it above your toilet.

Although this is usually caused by dirt or bacteria, sometimes it can come from your body.

It is important to keep the toilet drain free of blockages and clogs and it’s advisable to clean it regularly.

Some showers use scented or fragrance-infused water.

6. Mold

The shower drain is always damp almost all of the time.

Microorganisms can grow in wet conditions, which is perfect for them.

Mold inside your bathroom drain is an ugly and stinky problem. It can grow in just minutes, and it will make your bathroom smell for weeks.

If this smell mixes with the odors coming out of your drains, it could make them smell like rotten eggs.

In case you didn’t know, certain types of fungi can help remove soap scum from your bathroom sink.

One of these compounds is hydrogen sulfide gas, which makes the drain smell bad.

7. Water contamination

Sewage can seep into the pipes of your home if they are not built properly or if there are cracks in the pipes.

Another way is to have the water tested by a plumber.

When the water is tested, you should look at the level of sulfate. If it’s too high, you need to replace the filter.

The reason that high sulfate levels create an egg-like smell is that they release sulfur compounds.

Your best bet is to get your professional of choice to explain the composition of your water and what it means for your drain and your home. They’ll probably give you an explanation for the smell in your shower drains.

If your water supply is full of sulphur, the water heater will also create the rotten egg smell in the shower.

It is important to keep in mind that hot showers usually use magnesium rod to prevent corrosion from occurring inside the water heater.

As we learned, the best way to extend the life span of your heater is by installing a good quality, well-designed humidifier.

Tips to prevent the smell in the future

The best way to stop your shower drains from smelling like rotten eggs is to take the following steps.

One of them is to pour hot water into the drain at least once a week.

The good news is this water will dissolve all the soap that’s stuck in your drains and carry it away.

When soap is made, it usually contains sulfur compounds.

However, you can also take steps to prevent the smell from happening again.

1. Ensure that the garbage disposal is clean

Garbage disposals are an important appliance, but it’s not a good idea to run them regularly. This could cause plumbing problems and damage your dishwasher and other appliances.

After months of regular use, the garbage disposal unit will develop a strong smell. These deposits are from food and other particles that can’t be eliminated by normal rinsing, and have to be disposed of properly.

If this occurs it’s called a back-up system or a backup sump pump.

This can be mitigated by cleaning it.

You should use a garbage disposal cleaner or even some ice cubes to keep the blades clean.

To help eliminate the smell, you can consider adding lemon wedges.

2. Use a plunger to unclog the drains.

If your shower drain smells rotten, you may have to get it cleaned. It’s probably one of the first things you should check.

To clean the shower drain you can use a plunger.

But this will depend on the nature of the pipe blockage and where the drain is clogged.

You should always clean your plunger regularly to avoid clogs.

Place the plunger over the drain cover, and fill the shower with a hot shower to submerge the end of the plunger.

If you’re really in a rush, you can pour boiling water into it and hope for the best.

Vinegar can help you get rid of clogs. It’s also effective for treating drain problems.

If you mix vinegar and baking soda, you will not only clean your drains but also deodorize and disinfect them.

This is an effective and easy-to-use combination of natural ingredients that will clean your bathroom of any mess and stains.

This combination of chemicals can prevent the growth of mold in the shower drain. It’s a great way to prevent damage to your shower fixtures.

3. Clear the plumbing vents

This is a common problem that is caused by either inadequate water pressure or excessive water pressure.

One reason that some drains back up could be because the plumbing vents are blocked.

When you see these pipes, they’re probably blocked.

To mitigate this problem, you must clear debris from the roof vent.

If you notice that your ice has frozen to the roof vents, you can use a hair dryer to melt the ice blockage.

4. Always keep your bathroom clean

If you clean your bathroom frequently you will get rid of soap scums and other debris from your shower drains and prevent a clog.

Your drain may start smelling like rotten eggs.

5. Hire a plumber

There are always multiple ways to approach a problem. If that fails, you can always use a backup plan.

If this happens, do not hesitate to contact a plumber.

A plumber will make sure the drain and the sewer line are working well.

You must hire a licensed plumber for optimal results.

This expert should also be experienced in this field.

The last thing you’d wish to experience is getting into the shower and experiencing the smell of rotten eggs coming from the shower drain.

You could try using the ways mentioned above to fix this problem.

How to make it easier for you to make decisions and stay focused on your goals.

Smelly bathroom can be transformed into a spa-like oasis.


In conclusion, Shower Drain Smells Like Rotten Eggs: Causes & Fixes is the most common plumbing issue, and it’s also the one that plumbers fear the most. The reason for this is that it can be very difficult to locate the source of the smell, and it’s often hard to find the source of the problem.


1. Why are showers bad for drains?

Showers can clog drains because they can contain soap, shampoo, hair, and other things that can build up in the drain. If this happens, the water can back up into the bathroom.

2. How do I clean my shower?

To clean a shower, you should run hot water through the drain for about 10 minutes. Then, you should run cold water for about 5 minutes to help loosen any clogs.

3. How do I fix a clogged drain?

If your shower has a clogged drain, you should first try to clear it out. Then, you should run a little bit of bleach down the drain. After that, you should add some baking soda and vinegar to the drain. You should then flush the drain with hot water for about 10 minutes.

4. What can I do to prevent clogs in the future?

To prevent clogs, you should always check your shower drain before you use it. You should also keep your shower drain cleaner.

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