Q: What to do if mold in toilet bowl keeps coming back

Mold in the toilet bowl can be unsightly and hazardous to your health. If you have tried to remove it but it keeps coming back, then you need to take some additional measures. The following guide gives you the steps to follow to eliminate mold in your toilet bowl and prevent it from recurring. So, how to deal with recurring mold in your toilet bowl?

Step 1: Understand the Causes of Mold Growth in Toilet Bowl

Mold grows on surfaces that are damp or have high humidity. Your toilet bowl is a breeding ground for mold because of the moisture it is exposed to regularly. Additionally, improper ventilation and infrequent cleaning could lead to the formation of mold.

Step 2: Get Rid of the Mold

To remove mold from your toilet bowl, use a cleaning product that contains baking soda, hydrogen peroxide, or vinegar. All these products have antifungal properties that help eliminate the mold. Pour the cleaning product directly into the bowl and use a scrubber to clean thoroughly. Avoid using bleach as it can damage the porcelain surface of the toilet bowl.

Step 3: Prevent Reoccurrence of Mold

After cleaning the mold from the toilet bowl, you need to prevent it from recurring. Here are some steps to follow:

  • Limit the water contact in the toilet bowl by fixing any leaks or using a low-flow toilet.
  • Ensure there is proper ventilation in the bathroom by using an exhaust fan or opening windows.
  • Clean the toilet bowl regularly with a disinfectant to prevent the formation of mold and bacteria.
  • Wipe down the outside of the toilet bowl and tank regularly to remove the moisture that encourages mold growth.
  • Replace old seals regularly and fix any cracks in the toilet bowl that might allow moisture to seep into it.

Regular cleaning and maintenance of your toilet bowl help prevent mold formation. Ensure that you follow the above steps to prevent reoccurrence of mold in your toilet bowl.

It is essential to keep your toilet bowl clean and dry to prevent the formation of mold. Take immediate steps to remove mold and prevent its reoccurrence to avoid potential health risks to you and your family. Following the above steps will help keep your toilet bowl clean and free from mold. 


I enjoy acquiring knowledge and sharing it. I am a long-time health advisor and blogger for over 12 years. Understanding the dangers of black mold to people, I felt it necessary to share with readers the basics of fighting and preventing black mold in homes and other living spaces.

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