Best Flushing Toilets

Causes and removal of black stuff on the toilet seat

Any stain or stuff on the toilet is very unpleasant for the homeowners. Significantly, it becomes a terrible situation when the new toilets get dirty quickly. There are several ways to remove it, but first, you have to know the reasons for the issue. Molds, stains, black or grey particles, peeling skin, etc., are most reliable for the kinds of stuff on the toilet.

Possible Causes:

  • Mold or Mildew
  • Rubbed-off Dye
  • Metal Oxidation
  • Water Impurities
  • Cosmetic Products
  • Dirt or Grime
  • Cleaning Product Residue

Black stuff and mold on the toilet seat: Reasons


When molds accumulate in water, they make stains on the toilet seat and bowl. Sometimes, your toilet may have black mold. High levels of manganese in the water may cause black mold. In this situation, the toilet gets several black things on its surface. Not only black mold but also the remaining waste is reliable for black stuff on the toilet. So, when you find this type of stuff, you must take the initiative to clean it.


Molds are harmful, and they make toilets dirty in many ways. There are several techniques for removing mold from the toilet.

i) Bleach and water

Although using excessive bleach is not admirable, you can use it in a specific amount to remove mold from the toilet. You should use more than 1 cup of bleach and mix it with a gallon of water. Household laundry bleach is the best solution for the process. Wash the bleach by flushing it with water just after completing the cleaning process.Bleach and water

ii) Baking soda and vinegar

A white vinegar and baking soda mixture is another expert solution for removing black mold from a toilet. Mix baking soda, vinegar, and water in a 2:1:1 ratio. Now, apply the solution to the specific parts of the toilet that turned black. Leave it for several minutes and rinse the toilet with water.Apply baking soda and vinegar For cleaning toilet

iii) Dish soap

Dish soap cannot properly kill the molds. But it is excellent for removing visible mold from a toilet surface. So, when you have a short time in your hand, and there are several molds that decrease the outlook of the toilet, you can use dish soap and water, which are very close to your hand.Use dish soap For Unclog Toilet

Peeling skin

Some health conditions or diseases can also cause the black stuff on the toilet. Are you astonished? Not at all, because when you have to peel skin problems, you may face black stains on the toilet seat. In this situation, the toilet becomes black when you sit on it. So, you must take some different initiatives to solve the issue.


This issue can happen for some allergic problems or for any other reason. So, you should first meet with a doctor. Then, you must take medicines or maintain caution according to the doctor’s advice. When your peeling skin problem is cured, the toilet will stay clean automatically.

Now, you can wash the black stuff from the toilet that is caused by your peeling skin. Use any solution made of vinegar and baking soda, dish soap and water, or bleach. If you cannot remove the hard stain from the toilet easily, you will have to keep the solution for a longer period. Gradually, the solution will work on it and make the toilet more aesthetic.

How to remove the black stuff from the toilet seat?

You must follow several steps to remove the black stains or any spots from your toilet seat and bowl. If you know the perfect measurement for applying solutions and follow these steps properly, it will not take much time for your toilet to be like a new one.

Now, we will discuss the process of applying the baking soda, vinegar, and water solution. This solution is very popular and also very easy to apply to the toilet.

Related: Will food color stain the toilet bowl?

Step 01: Wash the toilet seat with water

When you rinse the toilet seat thoroughly with water, the primary dust and sand will be removed from the toilet. It will make it easier for you to quickly remove the hard stains from the toilet. Otherwise, the debris mixture will make the task more complex.

Step 02: Mix baking soda and water

Generally, a half cup of water should be mixed with a quarter cup of baking soda. The amount can be changed according to the size of the area you are cleaning. But, most of the toilet sizes are almost the same, so the measurement of the ingredients can also be the same.

Step 3: Add vinegar

Now, you should add several teaspoonfuls of white vinegar to the mixture. Vinegar is an essential ingredient that can work well with baking soda.

Step 4: Apply the mixture to the toilet

When the mixture is perfect in its measurement, you have to melt it with a spoon. Finally, it is ready for application on the toilet surface to clean it properly.

Step 05: Leave it for several minutes

You should take a toilet cleaning brush to wash the surface of your toilet. Now, keep the solution on the toilet for 15 to 20 minutes so that it can work properly to remove the germs and debris from the toilet.

Step 06: Rinse the toilet with water

Finally, flush the toilet and pour an extra amount of water if it is necessary. You can use the toilet brush again to completely clean the debris from the toilet surface.

Are black stains on the toilet seats harmful to our health?

Generally, the black stains caused by mold are natural. They do not affect our skin or bodies, so you should not take any treatment after touching the molds. But it is better to remove the mold quickly for a beautiful look on the toilet seat. In rare cases, black mold may cause some health issues, including:

  • Chronic coughing
  • Irritation to the eyes
  • Sneezing
  • Skin rashes, etc.

On the other hand, the black stains that are caused by your peeling skin are so harmful because they are reliable for spreading infectious diseases. In this situation, you must both seek an experienced doctor’s treatment and clean your toilet properly. Otherwise, a big issue can happen.

Related: Why is my toilet water cloudy?

Final thoughts

So, you can easily have a healthy toilet seat by cleaning it timely. Be careful about the harsh chemicals; they should not be used on your toilet. However, the easy cleaning process can be done by anyone, so there is no need to call a plumber if there is no mechanical issue with your toilet.


Hi, I am Jose S. Franz. Currently, I am working as a professional plumber, and our team offers various plumbing services at an affordable price. After my college education, I completed a vocational certification course in plumbing systems and worked with several construction companies. Since then, I have fixed lots of different toilet models, from older to the latest versions. So I have more than 22 years of experience installing plumbing systems and toilets in both residential and commercial buildings.

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