Why is My Toilet Seat Turning Blue? And How to Fix Blue Toilet Seat? 

Toilet stain is a common phenomenon. The common toilet stains are black or brown in color. It is common that blue stains are also seen nowadays and you might wonder why is my toilet seat turning blue. 

Most reports of blue toilet stains are coming from pregnant women. But is somehow pregnancy connected with a blue toilet seat? Is it a real pregnancy phenomenon or just a scattered myth? 

To some extent, pregnancy is responsible for the blue stains. But it’s not the case all the time. There are other contributing factors as well. What are they, you might ask? Well, let’s explore them. 

What Causes My Toilet Seat to Turn Blue? 

What Causes My Toilet Seat to Turn Blue

Many of you have searched on the internet about what does it mean when your toilet seat turns blue? Pretty much every research said it because you’re pregnant. It’s not always pregnancy though. Here are some lead factors:

1. Pregnancy

Well, it is admissible that pregnancy could be one of the reasons for a blue toilet seat. Whenever a woman becomes pregnant, the level of her progesterone and estrogen also increases. 

These hormones increase the pH level of the body of a pregnant person. It later reacts with the particles of the white toilet seat leaving a blue ring.

2. Hormones

Not only pregnant women but also nonpregnant women and men also report blue toilet seats. It is likely to be something to do with your hormones. Some people have hormone imbalance issues. 

Hormone imbalance creates colored sweat sometimes, which reacts with the surface bacteria. It does not necessarily happen with all the toilets though. The soft toilet seat is prone to react with sweat easily.

3. Disorders

Some skin disorders are also likely to blame for your toilet seat turning blue. Though these cases are rare. But we would like to address them as well. 

  • Chromhidrosis

Chromhidrosis is a type of disorder for colored sweat. It is basically a sweat gland disorder. The sweat gland has a kind of pigment named lipofuscin. It is normal in every human cell. But when the lipofuscin in a human cell grows more than enough, it leads to a colored sweat condition.

  • Corynebacterium

Another type of bacteria present in a human cell is corynebacterium. They need Vitamins to grow. People take Vitamins in their every day to day life for various purposes. It gives the food these bacteria essentially need. They react with the white toilet seat and leave a blue stain.

4. Skin nature

Another reason for which your toile seat turning blue is your skin nature. We often take Vitamin tablets like Vitamin B complex. Well, vitamin reacts with the body and turn our body into acidic nature. It increases the pH of our body. The acidic body then reacts with the ionized coating of the toilet. Not everyone’s body will react to the vitamin but let’s keep our fingers crossed.

5. Cloths 

This is the most obvious reason if you don’t have any of those above-mentioned problems. The blue dye in your clothes,i.e., jeans or underwear may have rubbed on your butt. So, when you seat on the toilet bowl, it will spread. 

How to Fix a Blue Toilet Seat? Toilet Seat Troubleshooting

How to Fix a Blue Toilet Seat

There are various methods available to get rid of toilet bowl stains. But we’ll show you all of them. You have to choose which one is the most suitable one for you. 

1. Bleaching powder

Bleach is one of the most powerful stain cleansers so far. It is so powerful that you’ll need to cover other parts of your toilet and floor with plastic. It reacts faster and is stronger with stains. 

First, mix the bleach with water. Keep the proportion of them exactly the same. Pour it on the stain directly. Let it sit for a couple of minutes. Then rub it with a toilet brush and apply water.

2. Alcohol

Another method of getting rid of this stubborn stain is alcohol. It has quite good dissolution properties. You can directly apply alcohol to the stain or you can moisten a cloth with alcohol and put it over. Either way, wait for 30 minutes. Now rub with the cloth and apply water.

3. Vinegar and water

Vinegar is another stronger solution to get rid of stubborn stains. Apply a cup of vinegar directly to the stain and let it sit for 40-50 minutes. Then rub it with the toilet brush and use water. Additionally, you can use a cup of borax in the water, for the best result. 

4. Other products

There are some other products which you can use to clean the toilet stains. Soda is an effective cleanser if you know how to use it. Make a paste of soda with some water and then apply it to the whole seat. Wait for 30 minutes and rub it with a brush or cloth.

Another way is using lemon juice. Lemon juice is also acidic and can eliminate strong stains. Apply it directly to the bowl and wait for an hour. Afterward, rub it with a brush and splash it with water.

Also, there are some products available, especially for this purpose like a magic eraser and so on. They are also an effective cleanser.


Well, I think now you know why your toilet seat is turning blue. We have given you some effective solutions as well. 

But what if they all fail? In that case, we would recommend taking the help of professionals. You cannot do with all the troubles alone, can you? 

Well, as a departing word I wanna say: keep your toilet clean and lead a healthy life.


Can being pregnant turn the toilet seat blue?

Well, the most common idea is that if you are a pregnant person, it may cause the toilet seat to blue. It’s not always true though. Other issues like, hormone disease, vitamin doses, hormonal imbalance, acidic skin, and also blue clothes may be the reason behind this.

Is it safe to clean a toilet with bleach?

Bleach is a strong substance that can react with the toilet seat and leave a permanent scratch. Though it’s not always safe to use bleach to clean your toilet, it’s quite a strong cleanser. You can use it if you don’t have a plastic toilet seat.

How do you clean plastic toilet seats?

You can clean a plastic toilet with any soap or cleanser from the market. Additionally, you can clean it with lemon juice or vinegar, or soda. But you should keep an eye out when you are using bleaching powder, as it tends to react.

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