How to Get Rid of Mold in Shower – DIY Steps

Tackling household challenges on your own can be immensely rewarding, and when it comes to banishing mold from your shower, a little DIY spirit can go a long way. In this guide, we will take you on a DIY journey on how to get rid of mold in shower, exploring simple yet effective strategies and practical tips to rid your shower of mold once and for all. From identifying the causes to implementing preventive measures and choosing the right cleaning solutions, keep reading to learn how to reclaim your shower space and enjoy a pristine oasis of cleanliness.

What Cause Mold to Grow in the Bathroom.

Understanding the causes of mold development is key to effectively preventing its growth. Below are some of the primary factors that contribute to mold growing in bathrooms:

Poor Ventilation

Inadequate ventilation allows moisture to linger in the bathroom, and without proper airflow, this moisture accumulates on surfaces, providing ideal conditions for mold to develop and spread.

Leaks and Plumbing Issues

Leaks and plumbing issues, including leaky pipes, fixtures, or poor caulking, can lead to water accumulation and persistent dampness, providing a breeding ground for mold in areas such as behind walls or under flooring.

Moisture Concentration

High humidity and dampness within bathrooms create an ideal condition for mold spread. Moisture sources encompass steam generated during showers, damp towels, and water leaks.

Poor Cleaning Habit

Failure to maintain regular cleaning routines results in the buildup of soap scum, dirt, and organic debris, creating the perfect environment for mold development.

Poorly Sealed Shower Enclosures

Improperly sealed or damaged shower enclosures can allow water to escape and accumulate behind walls or under floors, creating hidden pockets of moisture ideal for mold spread. Ensuring proper sealing and addressing any leaks promptly can help avoid mold issues.

Selecting Mold Agents

Perhaps you want to learn how to get rid of mold. There are several decontaminants you can effectively remove mold on the surfaces of your shower. These cleaning solutions are powerful and effective in killing mold, even stubborn mold like black mold from your bathroom and shower.

When selecting a mold cleaning solution specifically for cleaning showers, it is important to consider factors such as effectiveness against shower-specific mold, safety for surfaces commonly found in showers, and ease of application in a wet environment. To make it easy for you to choose the right disinfectant, let me quickly run through their properties:

Baking Soda

Baking soda, a versatile household staple also referred to as sodium bicarbonate, is renowned for its wide range of practical uses.

Mold Killing Effect

Sodium bicarbonate is a mildly abrasive cleaning solution that can effectively remove dirt, grease, and mold in the bathroom without causing damage to surfaces. However, it may not be as effective as stronger disinfectants like bleach at penetrating deep within porous surfaces to kill and stop mold from growing again.

 Odor Reduction

Sodium bicarbonate is effective at neutralizing odors, particularly those caused by mold and mildew. It can leave your shower smelling fresh and clean.

Distilled White vinegar

Vinegar is an effective natural cleaner, effectively dissolving dirt, grime, and mineral deposits due to its acidic nature, making it suitable for cleaning surfaces and appliances and removing stains from fabrics.

Mold Killing Effect

Acetic acid is a natural disinfectant and fungicide that can wipe out mold on contact and effectively clean and disinfect shower surfaces, including grout and tile, especially when used undiluted.

Odor Reduction

This cleaning agent is effective at killing mold and neutralizing odors, leaving your shower smelling clean and fresh after use. While white vinegar does have a strong odor of its own, there is a key to understanding the chemistry behind vinegar’s odor-eliminating properties. Vinegar’s acetic acid reacts with odor-causing molecules, changing their chemical composition and rendering them odorless.


Bleach is a powerful disinfectant that can remove any type of mold on shower tub as well as other moldy surfaces like walls or ceilings, tile and grout.

Mold Killing Effect

The bleach solution is a highly effective sanitizer that can wipe out mold and prevent its recurrence, making it an ideal choice for tough stains on tiled walls and difficult to remove mold or severe mold infestations. However, due to its potent nature, it can be abrasive and may cause discoloration on certain surfaces.

Odor Reduction

While bleach can effectively get rid of black mold in the shower and bathroom tile, it also has a strong odor that can temporarily mask odors but may not eliminate them entirely.

Hydrogen peroxide

Hydrogen peroxide, commonly known as a household antiseptic, is an effective agent for eliminating mold and preventing its resurgence.

Mold Killing Effect

Hydrogen peroxide is a strong oxidizing agent that can effectively kill black mold in your bathroom and disinfect surfaces. It can also be safely and excellently used to wipe out mold in your bathroom and remove stains. It is less harsh than bleach, making it suitable for use on a variety of surfaces.

Odor Reduction

Hydrogen peroxide can help neutralize odors, leaving your shower smelling clean and fresh.

All these four cleaning agents, as well as commercial mold remover such as Mold Armor Rapid Clean Remediation, RMR Brands RMR-141 Disinfectant, etc., are effective for mold removal and odor reduction in showers. Baking soda and vinegar are mild, while bleach and hydrogen peroxide are stronger. The choice depends on mold severity, surface compatibility, personal preferences, and safety.

Safety Precaution

Understand that mold can cause respiratory issues, that’s why it is important to protect yourself. When using mold agents to remove bathroom mold, the following safety measures are important:

Ensure Proper Ventilation.

To ensure adequate air circulation, open a window and keep the bathroom fan or exhaust fan running to maintain the bathroom well-ventilated as you work. This will help reduce exposure to fumes and prevent respiratory problems.

Put on protective gear.

To avoid being exposed to cleaning solvents and Mold particles, wear gloves, goggles, and a mask.

Adhere to Manufacturer’s Guidelines

Read and follow the manufacturer’s instructions on the labels of cleaning products carefully to ensure safe and effective use.

Test Compatibility.

Before applying a cleaning solution to large areas, test it in a small, inconspicuous area of the shower to ensure compatibility with the surface and to check for any adverse reactions.

Dispose of waste properly.

To avoid the spread of mold spores, dispose of any infected materials in sealed bags, such as cleaning cloths or sponges.

How to Clean Mold in the Shower

Below is the procedure you can use to eliminate mold whether you are using baking soda, white vinegar, hydrogen peroxide, or bleach with differences noted where applicable:

 Always remember to protect yourself, regardless of the mold killer you may be using to remove the mold in your shower. How can you do that? Simple. Properly ventilate the bathroom and wear safety gear such as rubber gloves, a mask, and goggles to safeguard yourself from mold spores.

Using Baking Soda to Remove Mold.

  •  i. Sprinkle baking soda directly over the affected area or combine it with water to make a paste. The mixture should be thick, making it simple to pour over the moldy surfaces.
  •  ii. Scrub the mold away with a bristled brush or a sponge using circular motions
  •  iii. After scrubbing, rinse the shower surfaces thoroughly with water to remove the paste and any loosened mold residue.

When Using Vinegar:

  •  i. Apply the vinegar directly onto the moldy areas using a spray bottle. For tougher stains, use undiluted vinegar, while for general cleaning, dilute the vinegar with water in a 1:1 ratio.
  •  ii. Let the solution remain on the surface for 10-15 minutes to penetrate the mold and loosen stains.
  •  iii. Use a brush or sponge to scrub away the mold
  •  iv. Rinse the shower surfaces thoroughly with water to remove the vinegar residue and any remaining mold debris.

How to use Bleach to Clean Mold

  •  i. Use a ratio of one part bleach to three parts water to create a solution and apply it to the mold in the bathroom, including the shower area. You would want to check the manufacturer’s directives for this.
  •  ii. Allow the bleach solution to rest on the moldy surfaces for about 10–15 minutes to eliminate the mold and disinfect the area.
  •  iii. Use a brush or sponge to scrub the mold stains.
  •  iv. Rinse all shower surfaces thoroughly with water and dry.

Using Hydrogen Peroxide to Kill Mold in your Shower

 i. Use a spray bottle and spray a 3% concentration of hydrogen peroxide solution on the moldy shower and let it sit for 10 minutes.

You do not need to dilute it and understand that while higher concentrations of hydrogen peroxide, such as 6%, 9%, or 10%, can potentially be more effective at killing mold due to their increased potency, they are not typically recommended for household use, especially if you’re not experienced in handling chemicals. The increased strength of these solutions can lead to skin irritation or burns, damage to surfaces and materials, and even respiratory issues if used in a poorly ventilated area. As a result of that, it is generally advised to stick with the 3% concentration of hydrogen peroxide for household cleaning purposes.

 ii. Use a sponge or brush to wash the mold stains.

 iii. Rinse with water to remove any remaining mold debris.

Allow the treated areas to air-dry fully. To speed up the drying process, you could use a clean towel to actually dry any surfaces that can be reached.

How to Prevent the Mold in the Bathroom

To keep your bathroom free from mold, the following measures are crucial:

  1. Use mold-resistant accessories and curtains.
  2. Clean your bathroom regularly.
  3. Fix leaks promptly.
  4. Ensure proper bathroom air quality by utilizing an exhaust fan, as well as opening a window and the shower curtain. This will help reduce the humidity level.
  5. Seal the caulk lines in your shower with grout sealant to stop moisture from seeping in and growing mold.
  6. Use a squeegee and a towel to remove extra water from the walls, floor, shower door, and other surfaces after taking a shower.


Q: How do I identify mold in my shower?

In showers, mold tends to show up as these dark-colored spots on the grout lines, caulking, or tiles. Sometimes, you might notice a stale, musty smell along with it.

Q: How often should I clean my shower to avoid mold growth?

It is recommended to clean your shower regularly, at least once a week, to prevent mold growth. Pay attention to areas prone to moisture and ensure thorough drying after each use.

Q: Is there a mold remediation company available to remove severe mold infestations in showers?

A: There are mold remediation companies available to handle serious mold infestations in showers. They can examine the scope of the mold problem and offer professional mold remediation services and preventative strategies that will stop mold from coming back.


Addressing mold in your shower requires a multifaceted approach. This includes understanding common causes, utilizing effective cleaning agents such as bleach, vinegar, baking soda, and hydrogen peroxide, and, if necessary, seeking the assistance of a professional to remove or kill any mold.
Furthermore, preventive measures such as sufficient ventilation and frequent cleaning regimens are essential to keeping mold out of your shower.

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