How do you get rid of mold under toilet rims?

Author: Mikel Mann III  |  Last update: Friday, May 30, 2025

A: To remove black mold under the toilet rim, scrub the affected area with a mixture of water and bleach or vinegar and baking soda. You can also use a mold-specific cleaner designed for use in toilets.

How to clean mold from under a toilet rim?

Mix one gallon of water with a cup of borax. Pour the mixture around your toilet bowl, rims, seat, lid, and inside the tank. Allow the solution to sit for about 30 minutes. Scrub the areas using a toilet brush or a sponge, but be careful not to damage the components of the toilet tank.

What is the black stuff under the toilet rim?

The most common deposit on toilets is calcium carbonate (referred to as limescale), from water that has passed through chalk or limestone rocks. It's usually light brown/beige in colour. If it's stained with iron from water that goes through iron bearing rock,it will be darker.

How do you clean buildup under a toilet rim?

Get a quart of muriatic acid ( from a pool store of pool supply isle or a hardware store.) Pour a cup into the bowl water. Use a toilet brush to move that water up under the rim. Let it sit and then move more up there. This will dissolve the mineral deposits which will release the filth.

How do you remove black limescale from under toilet rim?

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.

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

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 do you clean the black around the 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.

How do you clean clogged toilet rim jets?

Use a solution of one part bleach to ten parts water. Let it sit about five minutes in the overflow tube, then flush the toilet. Then put on some gloves and use a piece of wire to clean out each jet. When all the jets are clean, scrub around them with a bleach-compatible cleaner.

Does black mold in the toilet mean diabetes?

Although this nuisance means more scrubbing the toilet bowl (more on the best pro cleaning tricks below), there's a chance it's also a clue you should get your blood sugar checked. As strange as it sounds, frequently seeing mold in your toilet could be one of the first signs of diabetes.

How to stop mold from growing in the toilet?

Allow Ventilation Into the Toilet

Open the window to your toilet so that fresh air gets in. It is much better if sunlight can also get in through the window. Chlorophyll produced by sunlight is known to reduce or disrupt mold growth. Sometimes it also helps when you leave the lights of your toilet on during the night.

What is the black stuff coming from under my toilet?

A black fungus or mold is thought to be the cause of the black slime. These types of fungi are common inhabitants of our environment and can be found in many places, including human and animal feces, dust, soil, and in surface water.

Is mold under the toilet rim harmful?

Mold doesn't just look bad. It can also cause health problems and spread to other surfaces in your bathroom. Mold can harm you and your family. It can trigger asthma attacks and cause allergic reactions.

What is the best toilet cleaner for mold?

If mold in the toilet tank is a problem, do not use toilet bowl cleaners, which are designed only for use in the toilet bowl. Instead, you can use a bleach and water solution made with Clorox® Disinfecting Bleach to clean mold in a toilet tank following the procedures described here.

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.

How to get rid of mold under a toilet rim?

A: To remove black mold under the toilet rim, scrub the affected area with a mixture of water and bleach or vinegar and baking soda. You can also use a mold-specific cleaner designed for use in toilets.

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

To do this, you can use Lysol® Power Toilet Bowl Cleaner, which both cleans and disinfects your entire toilet and is especially angled to hit your toughest stains directly under the rim.

How do I clean the build up under my toilet rim?

Use your gloved fingers to apply the toilet cleaner or paste under the entire rim. You need at least a thin layer all the way around. Let it sit for 15 minutes, then scrub vigorously under the rim with your toilet brush. Finally, get out the hand mirror and locate the water jets.

How to clean holes under a toilet rim?

Use a tool like the cutting pliers to cut a 6-inch length from a wire coat hanger. Try cutting the wire hanger at an angle so the end you stick into the holes is pointy. Work the wire hanger in and around each of the rinse holes to clear them. If you need to see what you're doing, hold a mirror under the rim.

What causes black rim in toilet bowl?

Why is there a black ring inside my toilet bowl? There is no relation between the water being delivered to your household and the black ring that occasionally appears in your toilet bowl. This is actually mildew that forms due to room temperature, facility usage and lighting.

How to remove limescale from under a toilet rim?

Soak loo roll in white vinegar and push it under the rim,leave as long as possible. Repeat until limescale goes. Hard water area here too, I use black bottle harpic power plus. Then use a toilet block like bloo under the rim clear rinse one to keep on top of the issue.

Will Coke clean a toilet ring?

The carbonic acid that is in coke is what helps to clean toilet stains. Picture the acidity slowly working its way through the stains, melting them away.

What not to use magic eraser on?

Don't Use Them On Your Car

Or any other delicate surface, for that matter, like silverware, glass, or metal surfaces. Dry erasers have the abrasiveness of a 3000 grit sandpaper – very fine, but can still mar shiny surfaces – like your stainless steel appliances!

What is the best toilet ring remover?

Consider using Bon Ami, Bar Keepers Friend, or The Pink Stuff, which are commercial cleaners that work well to remove toilet bowl rings.

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