How to stop mold from growing in a shower?

Author: Rasheed McClure Jr.  |  Last update: Thursday, January 15, 2026

A dehumidifier helps reduce moisture, and if it has digital readings, aim to keep humidity below 40% to minimise mould growth. “Dehumidifiers not only reduce excess moisture and prevent mould but also eliminate musty smells caused by high humidity.

Why does the mold in my shower keep coming back?

Our clients frequently ask why mold cleaned from a surface returns. The answer typically is one or both of these items: The bathroom still has leaks, or it doesn't get adequate ventilation. DIY cleaning caused mold to “spore out,” and when the spores land on a surface, it starts growing again.

How do you get rid of black mold in the shower?

Vinegar is an effective and natural way to kill black mold in your shower. Simply mix equal parts vinegar and water in a spray bottle and mist the affected areas. Let the solution sit for an hour or two before scrubbing away the mold.

What can I spray in the shower to prevent mold?

directions. In a 1/2 gallon power sprayer (see picture) pour in 1/2 cup of clorox, fill with water to the 1/2 gallon mark.

Will spraying vinegar in the shower prevent mold?

Preventing Mold Growth with Vinegar

Store a spray bottle of vinegar in the bathroom and mist it over the shower stall after taking a shower, or add vinegar to your mopping solution to prevent mold growth on the floor.

18 Ways to Prevent Mold From Growing in Your Bathroom!

What 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.

How do I control mold in my shower?

Preventing Mold Growth

Improve Ventilation: Use an exhaust fan during and after showers to reduce humidity. If possible, open a window to allow for air circulation. Regular Cleaning: Frequent cleaning can prevent mold spores from settling. Use a squeegee after showers to remove excess water from the walls and floor.

How do I make my shower mold free?

Preventing Black Shower Mold
  1. Stay Dry. Moisture in the air can encourage mold growth, which is why bathrooms are often prime real estate for the stuff. ...
  2. Use A Shower Curtain. ...
  3. Keep An Eye Out. ...
  4. Skip The Soap And Water. ...
  5. Use Bleach On Stains. ...
  6. Do A Final Spray-Down.

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 best natural mold killer for showers?

Although it can be diluted with water to lower the harsh scent, vinegar works best as a mold-killer when sprayed straight from a bottle to the affected area. After spraying: Allow it for some minutes before wiping it with a disposable towel. If that doesn't work, make use of a brush to scrub the area.

Can a moldy shower make you sick?

Mold can cause allergies and other breathing conditions. While all molds can be toxic, this is highly unlikely for shower mold. The conditions usually are not right for molds to produce mycotoxins, and there are few cases where there is enough exposure to cause long term health problems.

How do I prevent black mold in my shower drain?

What Are Some Ways To Prevent Mold In Pipes And Drains?
  1. Clean The Pipes And Sink Drains. Start by boiling water and pouring it down the drain. ...
  2. Open Doors And Windows. A bathroom pipe and drain are common spots for mold to grow. ...
  3. Invest In Dehumidifiers.

What kills mold in shower grout?

Spray the affected grout with oxygen bleach, chlorine bleach, or hydrogen peroxide, ensuring the solution saturates the stains. Let it dwell for several minutes, then scrub the area. A second application may be necessary for persistent stains.

How to remove mold from shower caulking?

Bleach Solution: Mix one part bleach with three parts water in a spray bottle. Vinegar Solution: Fill a spray bottle with undiluted white vinegar. Baking Soda Paste: Mix baking soda with water to create a thick paste. Hydrogen Peroxide: Use undiluted hydrogen peroxide for stubborn mold stains.

Is distilled vinegar the same as white vinegar?

White vinegar, also known as distilled vinegar or spirit vinegar, is made by fermenting grain alcohol (ethanol) which then turns into acetic acid. Water is then added to the vinegar, so white vinegar is made of five to ten percent acetic acid and ninety to ninety-five percent water.

How do I get rid of mold in my shower permanently?

Vinegar is an effective and natural way to kill black mold in your shower. Simply mix equal parts vinegar and water in a spray bottle and mist the affected areas. Let the solution sit for an hour or two before scrubbing away the mold. Repeat this process as needed to keep your shower mold-free.

Should you keep the bathroom door open or closed after a shower?

Keep doors closed all the time.

After you shower, the interior space is at its wettest point. Try to keep the doors open for a half hour or so until the steam clears. If you have a fan in your bathroom, make sure to turn it on and let the air circulate.

What to spray to prevent mold after water damage?

Antimicrobial sprays like Microban can stop mold and mildew in their tracks, while also inhibiting the growth of other harmful bacteria. Concrobium Mold Control is another effective option, as its non-toxic formula can be sprayed directly onto walls, flooring, and other surfaces to prevent mold from taking hold.

What can I spray on black mold in my shower?

Treat the Area
  • For a natural solution to getting rid of black mold, combine one part baking soda with five parts distilled white vinegar and five parts water in a spray bottle.
  • Alternatively, you can use a chemical-based mold and mildew remover, all-purpose cleaners, bleach or dish soap.

Does the pink stuff remove mold?

The Pink Stuff is a savior in the bathroom — specifically tile and grout — and it annihilates dirt, stains and mold with ease.

How do I stop mould in my shower?

Good air circulation allows moisture to escape so after showering or bathing, close the door and open the windows! During the day, leave the window ajar to ventilate the room. Wipe down tiles after your bath or shower, and dry the shower tray, bathtub and grouting.

What 100% kills mold?

For large amounts of mold, the only method that kills mold 100%, every time, is removing all of the mold-infested materials entirely, and replacing them with new materials.

Is hydrogen peroxide better than vinegar for mold?

If you don't have hydrogen peroxide, use distilled white or cleaning vinegar. Distilled white vinegar's acidity slowly breaks down and kills mold but does so much slower than cleaning vinegar.

How to clean mold in shower without bleach?

Mix one teaspoon of baking soda along with two cups of water and shake in a spray bottle. When thoroughly dissolved spray the solution onto the mold and scrub with a brush. Repeat if necessary. Once cleaned, wipe the area with a wet, clean cloth to remove the solution.

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