How to Clean Toilet Tank Mold

Having stubborn mold in your toilet tank bowl is not the prettiest sight to see. Have you ever not wanted to use a toilet because of a rim of pink or black mold around the toilet tank? Although quite a gross thing to encounter, toilet mold is extremely common and naturally occurs even when you are on top of your cleaning.

How to clean toilet tank mold

Cleaning your toilet tank mold only requires a few things and a bit of time. So, don't worry. We will review the most efficient way to clean your toilet tank mold in a few easy steps.

Cleaning Your Toilet Tank Mold

Having mold in your toilet and built up inside the toilet tank is not pleasant and is also very unsafe if left unattended. Follow these steps to get your toilet tank clear of mold.

First

Before you begin cleaning, make sure to flush your toilet, so any stagnant water and mildew in the water are washed away. Spray inside the toilet bowl with vinegar, let it sit for a few minutes before you start to wash. Use your toilet bowl brush to scrub down the sides of the toilet bowl and under the rim. Then flush the toilet once more.

Next

Once the toilet bowl is clear of any mold, you can begin to treat your toilet tank. To clean the toilet tank of any mold, you will need to start by pouring one cup of Chlorine bleach into the tank water. The Chlorine bleach will kill off anything in the water and begin to break down the stubborn black mold along the inside of the toilet tank.

Let the bleach sit for 30 minutes; then, you can begin to scrub. First, gently scrub the mold ring, ensuring that you avoid hitting the pipes and the toilet bowl float. Once the mold build-up is scrubbed off of the toilet tank walls, then you can flush away the dirty water. It may take flushing the toilet twice to get rid of all the mold reminisce.

Last

After the toilet bowl is cleaned and the toilet tank clear of any mold spores and build-up, you will want to safely clean up so no mold is left behind. Dispose of your cleaning gloves as well as the scrub brush that you used for cleaning. The last thing you want is for more mold to grow on your tools and create another unhealthy problem.

When you clean mold, make sure you are not breathing it in and not hovering over the toilet tank while scrubbing it down. However, when you are finished dealing with mold and harsh chemicals like your bleach solution, ensure that you properly wash your hand and any clothes you were wearing. Better yet, take a full-body shower to make sure.

And voila, you now have a nice-looking toilet and toilet tank with no sign of mold and all it took was a bit of bleach and some elbow grease.

What Equipment Do I Need?

Gloves

There are a few essential tools that you will need before you start the cleaning process. First and foremost, make sure you have gloves. You can use disposable latex gloves or use dish gloves. Use a clean pair and make sure they are thrown out after you use them.

Mask

Mold is unsafe to breathe in, so you want to make sure you have a mask or effective face covering before tackling any mold removal project. Protect your lungs and your health.

Vinegar

Most people will already have vinegar in their kitchen or cleaning cupboards. Use clear white vinegar to help clear build-up in your toilet water.

Toilet Bowl Scrubber

A toilet bowl scrubber or brush should be used to wash down the sides of the toilet. These can be easily purchased and are inexpensive. The scrubber that you use should also be thrown out once you use it on mold.

Bleach

Again, you might already have bleach in your home, or if not, you can buy it from a household store. Bleach is also a harsh chemical that you need to be careful about when working with it, do not inhale the bleach or get it on your clothes. It is probably best to wear clothes you don’t care about for the entire cleaning process.

Is Toilet Mold Bad?

Mold anywhere in your house is not good for your health. If left untreated, mold can lead to many different health issues. So mold should be taken seriously and removed properly from any surfaces in your home.

If mold continues to reoccur in your toilet tank right after you have cleaned it, this means you have a more serious mold problem and may need to get professional help or get a new toilet.

Why Does Toilet Mold Build Up?

Mold and mildew will naturally build up in dark and warm places and are caused by humidity. This being said, the toilet tank and the toilet bowl, filled with stagnant water, often in a warm bathroom, are a perfect place for mold to grow.

When water remains still for a short period, for example, if the toilet is not used often or if you are out of the house for a couple of days, mold can easily breed on the toilet surfaces.

Additionally, having bodily fluids or waste sitting in the toilet bowl can increase the chances of mold creation. If the toilet tank pipes are rusty, this may also lead to more frequent molding in the toilet tank itself. Mold also loves small dark areas, and so if your toilet tank has any small cracks in it, this is also an excellent place for mold to flourish.

Specifically, if mold is growing in the toilet tank, it is often due to infrequent use. When a toilet is not flushed often, the stagnant water becomes warm, and the chlorination of the water also decreases, leading to a higher chance of mold growth.

How to Keep Your Toilet Tank Clear of Mold

Every once in a while, you will have to repeat this cleaning process. However, you can avoid intensive cleaning by flushing the toilet every so often to reintroduce new water into the tank.

remove the lid from the toilet tank

You can also purchase products that sit inside your toilet tank that help introduce a small number of chemicals consistently to keep the water clear.

Toilet Mold FAQ

Still have questions about how to clean toilet tank mold or how dangerous it can be? Read on to learn more.

What causes black mold in toilet tank?

If you have been away from the home for a few days, you may return to black mold in the toilet bowl. This can also happen if waste was left in the toilet bowl for a while. Humidity and dark places are the perfect environment for mold to form, and your toilet tank is considered a prime breeding ground.

What is the best way to clean the inside of your toilet tank?

To clean the inside of your toilet tank, you don't have to drain out the water. Instead, simply pour some white vinegar into the tank and stop when it is about one inch below the top rim.

Allow the vinegar to sit for up to twelve hours to dissolve any mineral deposits there are along with rust, mold, and mildew. Then, flush the toilet a few times to remove the vinegar from the tank.

Is black mold in toilet dangerous?

Mold definitely looks bad but is black mold in toilet dangerous as well? For some, black mold in the toilet can irritate allergies and asthma. However, mold is relatively harmless. It does depend on the type of mold it is, too, though. Black mold is a highly toxic mold and may need to be removed by a professional.

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