why does my laundry room smell like rotten eggs?

why does my laundry room smell like rotten eggs
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We all perform laundry regularly because it is a routine task. And It is a common concern among people. Why does my laundry room smell like rotten eggs? Maintaining a clean, fresh laundry room is essential for a healthy living space.

However, laundry rooms frequently have an odd odour that can sometimes be unpleasant and overpowering. The stench of rotting eggs is one of the most typical aromas individuals encounter in their laundry rooms.

This post will discuss the potential causes of this offensive stench and how to eliminate it.

Causes Of Laundry Room Smell Like Rotten Eggs 

Here are some causes and sources for smelling like a rotten egg in your laundry room. Some of them are given below-

Dirty Washing Machine:

Your washing machine could be unclean, which could be one reason it smells like rotten eggs. Germs and moisture can grow in an unclean washer drum, producing an unpleasant odour. 

You can manufacture your cleaning solution or use a professional cleaner to clean your washer. One cup of white vinegar and one gallon of hot water can create your cleaning solution. Run a typical cycle after pouring the solution into the washer’s drum.

Hydrogen Sulfide Gas:

Before anything else, it’s essential to realise that hydrogen sulfide gas is most likely causing the rotten egg odour in your laundry room. This gas is naturally created when organic material, such as sewage or decomposing plant matter, breaks down.

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Because of its distinctive scent, hydrogen sulfide gas is frequently referred to as having the “rotten egg smell.” This is because the stench is frequently compared to that of rotten eggs.

Bacteria And Germ:

Your washing machine is one of the most frequent generators of hydrogen sulfide gas in your laundry room.

As bacteria and other organic material build up in the drum and the rubber seal surrounding the door, a favourable environment for the growth of hydrogen sulfide gas may be produced.

Mineral deposits can accumulate in the appliance and serve as a breeding environment for bacteria and other germs if your area has hard water.

Sink And Drain Clogged:

Your sink or drain is another likely cause of the rotten egg odour in your laundry room. Your laundry room’s sink and drain can clog up with hair, soap, and other debris, providing a haven for bacteria and other organisms.

These microorganisms have the potential to eventually release hydrogen sulfide gas, which can produce an offensive odour over time.

How To Get Rid Of The Rotten Egg Smell

To get rid of the rotten egg smell from your laundry room, you can take the steps given below-

  • What can you do to eliminate the rotten egg odour in your laundry room? Cleaning your washing machine completely is the first thing to do. Running an empty cycle with hot water and a cup of vinegar will accomplish this. The vinegar will assist in removing any accumulation in the device and eliminate any potential germs or other microbes. To assist in eliminating any scents, you can also add a cup of baking soda to the cycle.
  • It’s crucial to periodically clean your sink and drain in addition to your washing machine. Pouring a cup of baking soda with a cup of vinegar down the drain can do this. After about 15 minutes, let the liquid sit before flushing it with hot water. This will eliminate any scents and aid in breaking down any accumulation in the drain.
  • After using the door, leave it open. By doing so, air will be able to circulate, and mould and mildew won’t be able to grow inside. 
  • Moisture can also cause bad smells in the laundry room. Use a dehumidifier to dry the air and prevent mould and mildew growth.
  • You can use natural odour absorbers such as baking soda or activated charcoal to absorb any remaining bad smells in the laundry room. Place them in a bowl or pouch and leave them in the room. Replace them every few weeks.

If the above mentioned measures don’t solve the issue, you might need to hire a professional plumber to diagnose and repair problems.

A plumber can thoroughly inspect your plumbing system to find any clogs, leaks, or other problems that might be causing the rotten egg smell in your laundry room.


How To Get Rid Of The Rotten Egg Smell In Your Laundry Room?

To get rid of the rotten egg smell in your laundry room you can follow these steps-

  • Regularly clean your washing machine
  • Clean the lint trap
  • Use odour absorber 
  • Regularly check the plumbing.

Why Does My Laundry Room Smell Musty?

A musty smell in the laundry room is often caused by mould or mildew growth, which can occur due to moisture. There can be other causes, such as Poor ventilation systems, leaving Damp clothes or towels, leaking pipes or appliances, etc., which can also cause a musty smell in your laundry room.

Why Does My Machine Smell Like Rotten Eggs?

A rotten egg smell from your washing machine could indicate a few issues. Here are some possible causes – sulfur in your water, bacteria or mould growth, old or expired detergent, and blockage in the drain or pipe.

How Do I Get Rid Of The Smell In My Washing Machine Drain?

Preparing a solution of water, baking soda, and vinegar is the quickest and easiest way to eliminate any stench from a washing machine drain. You’ll need 60 ml of water and four tablespoons of baking soda for two cups of vinegar.

Run a 60°C-90°C cycle with the mixture in the detergent tray. Remember to leave the door open when the cycle is finished. That will assist in drying up all the interior moisture that contributes to the odour. 


In conclusion, the smell of rotten eggs in your laundry room is often caused by hydrogen sulfide gas, which can be produced by bacteria and other organic matter in your washing machine or sink/drain.

To get rid of the odour, it’s important to regularly clean your washing machine and sink/drain and address any underlying plumbing issues contributing to the problem. You can keep your laundry room smelling fresh and clean with effort.

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