How to remove mold from a toilet rim?

Author: Luella Kihn  |  Last update: Monday, December 15, 2025

Using Hydrogen Peroxide
  1. Add hydrogen peroxide and water in the ratio of 3:1 into a spray bottle. ...
  2. Spray the solution around the affected areas and allow it to soak in for about 30 minutes.
  3. Scrub the toilet bowl, seat, rims, and tank using a toilet brush or sponge.

How do I get the black stuff off my toilet rim?

Prepare a vinegar and borax or baking soda paste and apply it all over the stains. Wait for about 30 minutes and scrub off the stains using a toilet brush.

What causes black mold in the toilet bowl rim?

Glucose enriched fluid is an excellent food for mold inside a toilet. In addition, toilets that are not used regularly, or flushed as often as others in your home, are more likely to develop a mold problem. Even if they are not used every day, you should flush them upon occasion.

How do you clean toilet rims?

Flush first to remove excess dirt and grime before cleaning and disinfecting. Pour directly on the stain under the rim and do not close the toilet lid. Let it soak for 10 minutes and then scrub the bowl thoroughly with the toilet brush (or toothbrush for smaller areas).

What is the best mold remover for toilets?

Mold in the toilet bowl doesn't have to be a problem if you clean the toilet bowl regularly with products that contain sodium hypochlorite bleach like Clorox® Toilet Bowl Cleaner-with Bleach and Clorox® Toilet Bowl Cleaner-Clinging Bleach Gel.

How To Clean Mold out of a Toilet (HowToLou.com)

How do I get rid of black mold in my toilet?

Using Borax

Because of its high pH, borax kills mold. It's important to note that borax is safe for use around the house but is dangerous if consumed. Mix one gallon of water with a cup of borax. Pour the mixture around your toilet bowl, rims, seat, lid, and inside the tank.

What kills 100% of mold?

Hydrogen peroxide, commonly used to disinfect wounds, is active against a wide variety of micro-organisms including mold. It acts by releasing oxygen at a rapid rate, which kills mold by oxidizing the surface and breaking down proteins and DNA.

What is the brown stuff around my toilet rim?

Brown stains under the toilet rim are often caused by a combination of scale and urinary stone. There can also be a build-up of deposits deeper inside the toilet, where toilet water remains.

Can I use CLR to clean toilet rim jets?

To clean toilet jets using CLR, follow these steps: Step 1: Do the bucket trick to lower the water level in the toilet. Step 2: Pour CLR into the overflow tube in the toilet water tank. The CLR liquid will enter the rim jets and quickly break down the lime inside, and run out of the rim jet hôles into the toilet bowl.

How do you remove thick limescale from toilet rims?

The acidic values of vinegar allow it to soften limescale and prepare it for scrubbing clean. Pour undiluted white vinegar into your toilet bowl, making sure you get it up under the rim where limescale often gathers and cover every part of the surface. Leave it for three to four hours and then scrub it with a brush.

Can toilet mold make you sick?

Red mold is not as dangerous as black, pink, and brown; however, it can easily cause an extreme allergic reaction for those with a compromised immune system. On the other hand, white mold is the most difficult to identify in the toilet, especially since the toilet bowl itself is white.

What is the black stuff in the toilet ring?

Black Fungus/Slime

The mold will grow in any moist location where phosphorous containing materials or fatty substances accumulate. Sources of these substances include soap residues in bathing areas, feces in toilets, soap and food residues in pet water dishes.

What is the difference between mildew and mold?

Mildew has a gray, white or light brown color and generally rests flat on the surface of a moist area. It has a powdery appearance that may have a distinct, foul odor. Mold has a fuzzy, raised appearance and in unaired areas has a strong, musty smell. It often appears in darker shades of black, green and red.

What is the best product to clean under the toilet rim?

Starting with the bottle design, all Clorox® Toilet Bowl Cleaners have a specially designed neck that allows you to angle the nozzle toward the area directly under the rim of the toilet. This makes it easy to get the toilet bowl cleaner exactly where you need it, where the toilet bowl stains are hiding.

Can diabetic urine cause mold in the toilet?

More frequent trips to the toilet for folks with sugar-rich urine can spell trouble when it comes to persistent mold rings. While the extra toilet cleaning is a hassle, it can actually be a blessing in disguise if it helps you catch a diabetes warning sign early on.

How do you clean toilet rim holes?

Heat 1 to 1 ½ cups of white vinegar to about the same temperature you'd take your coffee – not scalding, but warm enough. Add it to the overflow tube and give it about 30 minutes to work. Flush, then go to work on the jet holes, chipping away the scale with something small but solid.

What happens if you leave CLR on too long?

If CLR Grease & Oil Remover is left on a surface for too long it begins to dry and can be very difficult to remove.

What do plumbers recommend to clean toilet tanks?

We recommend using a mixture of ¼ cup of vinegar for every 1 cup of water. This ensures your toilet tank is being disinfected without causing damage, which the use of bleach or chemical cleaners can do.

How do you get mold out of toilet jets?

Warning
  1. Heat up 8 to 12 ounces of vinegar so it is warm to the touch but not scalding.
  2. Pour the liquid into the overflow tube.
  3. Allow the vinegar to sit for about 30 minutes, and then flush.
  4. Clean out the jets one at a time, using Allen wrenches. ...
  5. Use a hand mirror to check your work.

How do you get mold out of toilet bowl rims?

Sprinkle baking soda into the tank and bowl. Get your scrubber and vinegar (in a spray bottle, preferably). Spray or pour distilled vinegar inside the bowl and allow it to sit for a minute. Scrub the ring of black mold with a brush or scraper until it comes off.

Does magic eraser remove toilet bowl ring?

Get rid of toilet rings with magic erasers

Cut off a quarter of a magic eraser and drop it into the toilet water. Let the piece sit in your toilet overnight to work its… well, magic! Do not flush the magic eraser down the toilet ! Remove it in the morning, then flush to rinse away any residue.

How to deep clean a toilet rim?

You can get the job done quickly by following these three easy steps:
  1. Step #1. Flush the toilet. Before you start, flush the toilet. ...
  2. Step #2. Brush the toilet rim. White vinegar is the perfect cleaning agent if the toilet rim has mineral deposits. ...
  3. Step #3. Let the toilet soak, then flush. This is the final step!

Which kills mold better, bleach or vinegar?

Vinegar is better at killing mold because it can work on both porous and nonporous surfaces. It also terminates molds at their roots so the mold won't return and is also safer than bleach. You can even combine it with baking soda to make it more effective.

Can I leave vinegar on mold overnight?

Yes, you can leave vinegar on mould overnight, though this isn't necessary as it usually takes effect after an hour. However, you can't use any type of vinegar, for mould removal you must use distilled white vinegar.

What is the strongest mold killer?

Our Top Picks
  • Best Overall: SALE. ...
  • Best Fast Acting: RMR-86 Instant Mold and Mildew Stain Remover at Amazon $17. ...
  • Best Preventative: Mold Armor Mold Blocker at Amazon $11. ...
  • Best Eco-Friendly: CLR Mold & Mildew Stain Remover at Amazon $12. ...
  • Best Gel: Skylarlife Mold & Mildew Remover Gel at Amazon $15.

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