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How to Fight and Prevent Mold in the Bathroom

 The bathroom is one of the most common places in your home for mold to grow. The darkness, high humidity, and minimal air circulation create the perfect environment for these dangerous fungi. Once you see even a tiny spot of mold on the tiles or the ceiling, you must treat it as soon as you can because it will not go away on its own. In fact, it will only multiply and get worse.
But what should you do? Follow this step-by-step tutorial to remove mold from the bathroom ceiling and tiles and prevent future mold.

First Things First - Identify the Mold

Remove Mold From Bathroom Ceilings and Tiles mold in the corner

There are many varieties of mold that grow both inside and outside your home. There are three types of molds that can grow on your ceiling:

  • Allergenic molds, such as aspergillus, aureobasidium, alternaria, cladosporium and penicillium can usually be safely removed using home disinfectants.
  • Pathogenic molds, such as ulocladium and chaetomium can be removed using disinfectants, but larger stains require professional help.
  • Toxic molds, such as stachybotrys, fusarium, and acremonium, are the most dangerous and always require professional removal.

Read more on the health effects of mold here - The Warning Signs of Mold Illness.

If the mold infestation is toxic or takes up a large surface area (10 feet or more), you need to call an expert to kill the mold and remove the affected areas. Ask your local health department for a mold testing kit or ask them to refer you to a mold removal service. For more information, refer to the CDC guide to mold here.

Tips to Prevent Mold Growth in the Bathroom

Prevention is the best cure! Even if you don’t have mold in your bathroom, follow these tips to control humidity in the bathroom:

1. Make sure that the bathroom is well ventilated at all times, this means using the bathroom fan and keeping windows open.
2. Clean the bathtub, shower, and tiles with a disinfectant regularly.
3. Dry the tiles around the bathtub or the shower with a cloth after every use.
4. Clean and replace shower curtains, bath rugs, and towels regularly.

For more tips on mold prevention, read our article titled Never Worry About Mold Again Thanks to These Tips.

How to Remove Mold From the Ceiling

Remove Mold From Bathroom Ceilings and Tiles cleaning mold

If you catch the mold early and it didn’t have time to spread, you can usually safely remove it yourself. We explain how to do so safely below. First and foremost, make sure to wear protective equipment while removing mold yourself: gloves, protective glasses, and an N-95 face mask. Prepare a ladder if you can’t comfortably reach the affected area.

You will also need a bucket and a sponge. For the cleaning solution, you will need:

- ½ cup chlorine bleach
- 1 tablespoon dish soap
- 1 cup warm water.

1. Combine all the ingredients in the bucket. You can easily double the ingredients if the affected area is larger or you want to treat several walls at once.
2. Put on all the protective equipment and open all windows to improve air circulation in the room.
3. Using a sponge, saturate the area with the disinfectant solution until it’s wet. Let it air-dry completely.
4. If you find that a stain remains after the ceiling has completely dried, repeat the process again until no signs of the mold remain.

Related Article: Household Mold and How to Deal With it

How to Get Rid of Mold on Tiles

Mold usually grows in the grout in-between the tiles, so removing it will require a bit more elbow grease and a brush with stiff bristles.


1. Mix the same cleaning solution as listed above, put on your protective gear, and apply the disinfectant on the moldy tiles.
2. Scrub away any moldy residue with a brush, then add more cleaning liquid and wait 15 minutes.
3. If any residue remains, scrub and repeat the same process again.
4. Once the mold is gone, rinse tiles in warm water and dry with a rag.

As the last step, discard all of your cleaning equipment and protective gear. Remove the clothes you were wearing and wash them in hot water. This will prevent the spread of mold to other areas in your home and keep you safe from its negative health effects.

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