How to Get Rid of Domicile Cup Fungus in Bathroom    

If you’ve noticed some strange cup-like mushrooms growing in your bathroom, you might be dealing with a fungus known as domicile cup fungus. These mushrooms are not only unsightly but can also pose a health risk to you and your family if left untreated. In this article, we’ll discuss how to get rid of domicile cup fungus in your bathroom.

What is Domicile Cup Fungus?

Domicile cup fungus, also known as Peziza domiciling, is a type of fungus that typically grows in damp and humid environments, such as bathrooms. These mushrooms can range in color from white to brown and have a distinctive cup-like shape.

Step-by-Step Guide to Get Rid of Domicile Cup Fungus

Step 1: Identify the Source of Moisture

The first step in getting rid of domicile cup fungus is to identify the source of moisture in your bathroom. The fungus thrives in moist and humid environments, so you’ll need to locate the source of the moisture to prevent the fungus from growing back.

Step 2: Dry Out the Area

Once you’ve identified the source of moisture, the next step is to dry out the affected area. You can use a dehumidifier to remove excess moisture from the air or use a fan to circulate air in the bathroom. If you have a leaky faucet or showerhead, make sure to repair it as soon as possible.

Step 3: Clean the Area

Once the area is dry, you’ll need to clean the affected area thoroughly. Use a mixture of water and bleach to clean the area, making sure to wear gloves and protective eyewear. Scrub the affected area with a brush or sponge to remove any visible fungus.

Step 4: Dispose of the Fungus Properly

After cleaning the affected area, it’s important to dispose of the fungus properly. Place the fungus in a plastic bag and tie it tightly before disposing of it in the trash.

Step 5: Prevent Future Growth

To prevent future growth of domicile cup fungus, make sure to keep your bathroom clean and dry. Use a squeegee to remove excess water from shower walls and floors, and make sure to repair any leaks as soon as possible.


What causes domicile cup fungus to grow in bathrooms?

Domicile cup fungus thrives in damp and humid environments, making bathrooms a prime location for its growth. The fungus can grow on any surface that retains moisture, such as tiles, grout, and walls. Leaky pipes, faucets, and showers can also contribute to the growth of domicile cup fungus.

Is domicile cup fungus harmful to humans?

While domicile cup fungus is not toxic, it can still pose health risks to humans. The spores of the fungus can cause respiratory problems and allergies in some people, especially those with weakened immune systems. It’s important to take necessary precautions, such as wearing gloves and protective eyewear, when cleaning up the fungus.

Can I use natural remedies to get rid of domicile cup fungus in my bathroom?

Yes, there are some natural remedies that can help get rid of domicile cup fungus. One of the most effective natural remedies is vinegar. Mix equal parts water and vinegar in a spray bottle and spray the affected area. Let the solution sit for a few hours before scrubbing the area with a brush or sponge. You can also use hydrogen peroxide or baking soda as natural remedies. However, it’s important to note that natural remedies may not be as effective as commercial cleaning products and may require multiple applications.


Domicile cup fungus can be a nuisance in your bathroom, but with the right steps, you can get rid of it for good. By identifying the source of moisture, drying out the affected area, cleaning the area thoroughly, disposing of the fungus properly, and preventing future growth, you can ensure that your bathroom stays fungus-free.

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