How To Get Mold Out Of Swimsuit?

Nobody desires to wear a swimsuit infested with mold. Luckily, there are straightforward measures you can take to immediately eliminate mold from your swimwear. Begin by thoroughly washing them in your laundry machine. If the mold proves to be tenacious, consider adding a cup of vinegar during the wash cycle. After laundering, air-dry your still damp swimwear under the sun. The sun’s UV rays are effective in killing any lingering mold spores. Additionally, to avoid mold growth on your swimwear, store them in a dry, cool location when not being worn. By adhering to these easy guidelines, you can maintain your swimsuits in pristine condition and odor-free throughout the summer.

A. Washing Techniques

1. By Machine Wash

In most situations, if the mold problem is not severe, a simple washing of your clothes could be enough to eliminate them completely. Fungus species can be eradicated when subjected to temperatures above 140 degrees Fahrenheit. Fortunately, most washing machines come equipped with a “hot wash” setting that reaches this temperature, so you won’t have to worry about damaging your items!

  • Separate Moldy Clothes

To prevent the spread of mold, it’s advisable to segregate the mold-infested clothes from the clean ones.

  • Select High Heat

To inhibit mold growth on your clothes, make sure the water isn’t excessively hot or cold. It should feel soothing to the skin without causing discomfort!

  • Add Laundry Soap

Pour your preferred laundry soap into the washing machine.

  • Incorporate Additional Components

Once your washing machine is filled with water, add any chosen ingredients such as bleach, distilled white vinegar, or borax.

  • Wash the Swimwear

Ensure you run your machine for two complete cycles.

Air Dry Expose your clothes to direct sunlight to dry. The sun’s rays are a potent fungus exterminator capable of killing mold, mildew, or algae that might have grown on your clothes. Alternatively, you can use a dryer. 

Machine Wash
handwash clothes

2. By Hand Wash

Keeping your clothes clean and fresh is crucial, but it can become quite elaborate if you’re dealing with just a single garment or towel. A practical solution could be to immerse your item in a spacious bucket filled with hot water and a bit of gentle detergent.

  • Prepare the Water

Begin by filling a large bowl or bucket with hot water.

  • Add the Detergent

Next, pour a cup of your favorite detergent into the water.

  • Soak and Rinse

Gently place the swimsuit into the soapy water and let it soak for a while. Then, thoroughly rinse the swimsuit.

  • Cleanse and Dry

Finally, allow the swimsuit to air dry in the sun or use a dryer if desired.

3. Dry Cleaning

If your wet swimwear has become victim to mold or mildew stains, don’t fret. These unsightly marks can typically be removed with a bit of elbow grease. If your clothing items are dry-clean only, use a soft brush to get rid of as much mold as you can. Then, place the garments in a plastic bag and entrust them to a dry cleaning professional. Be sure to inform them about the mold issue and point out any specific stains you’d like to have removed from your material. By addressing mold and mildew stains promptly, you can prevent them from causing damage to your clothes and save yourself from hefty dry cleaning expenses. 

dry cleaning

B. Natural Helpers

Nobody enjoys donning a swimsuit with a moldy odor. If your swimwear has been in storage for some time, or if you reside in a moisture-rich environment, it’s not unusual for them to acquire mold. However, there are straightforward and natural methods to eliminate the mold and maintain the freshness of your swimsuits.

1. Borax

Borax, a compound with a history spanning over 4,000 years, owes its long-standing presence in our environment to its effective mold-removing properties. Borate’s ability to transform water molecules into hydrogen peroxide aids in eradicating any bacteria or fungi present in your home. As a naturally occurring substance with a multitude of uses, borax is an excellent option for those seeking eco-friendly products. It serves not just as a potent fungicide, but also as an herbicide, insecticide, and disinfectant. Borax has the power to exterminate mold and mildew, neutralize unpleasant odors, and manage pests. Furthermore, it excels at stain removal and surface cleaning.

Guide on Utilizing Borax

  1. Begin by combining half a cup of Borax with hot water in a bowl.
  2. Gradually stir the mixture until it is completely dissolved.
  3. Submerge your swimsuit in the solution for a minimum of 20 minutes. If you prefer to use a washing machine, add the liquid and run two cycles.

Follow these steps to effectively employ Borax and ensure optimal results.

baking soda

2. Baking Soda and Vinegar

Vinegar and baking soda serve as natural solutions for tackling most molds. The antifungal traits of vinegar aid in curbing fungal growth, while the antimicrobial elements in bleach or chlorine compromise the cell walls of these undesirable organisms, making them more prone to eradication by cold water washes. Adding lemon juice to vinegar can help mitigate its strong odor. Baking soda’s effect on fabric pH levels assists in moisture absorption, thus eliminating any residual odors after mold spots have been removed from clothing. Its role as a superb, non-toxic detergent ensures cleanliness, even if you don’t notice any visible difference post-rinsing!

How To Use Baking Soda and Vinegar

Instructions for washing your swimsuit:

    1. Add one cup of vinegar to the washing machine, without any detergent.
    2. Add approximately half a cup of baking soda.
    3. Place your swimsuit in the machine and run it for two cycles.

3. Tea Tree Oil

Tea tree oil, an essential oil derived from the leaves of Melaleuca alternifolia – a plant indigenous to Australia, possesses antiseptic, antiviral, and antifungal characteristics. These properties render it a potent solution for eradicating mold and mildew.

How To Use Tea Tree Oil

  • To effectively remove mold using tea tree oil, simply add a few drops of the oil to a spray bottle filled with water. Mist the affected area with the solution for optimal results.
  • For stubborn mold stains, create a paste by combining equal parts tea tree oil and baking soda. Apply the paste to the stain and allow it to sit for several hours. Then, scrub away the stain to reveal a clean surface.
  • To prevent mold and mildew growth, consider air-drying your daughter’s bathing suit in direct sunlight. The natural sunlight will help inhibit the growth of these unwanted substances.

Tea tree oil is a safe, natural way to keep your home mold-free.

tea tree oil
hydrogen peroxide

4. Hydrogen Peroxide

Hydrogen peroxide is a versatile solution with numerous applications, including combating fungus. Its antimicrobial and disinfecting properties make it effective for eradicating mold from clothes when used in minimal dilution. When employing hydrogen peroxide as a fungicide, it’s crucial to adhere to the instructions provided on the label. Additionally, avoid contact with your eyes or skin to prevent irritation

C. Commercial Helpers

If none of the aforementioned methods are applicable, resort to utilizing commercial tools for the purpose of effectively removing mold from swimsuits.

  1. Brush and Detergent

If you happen to come across mildew stains on your swimsuit, don’t fret! With a bit of effort, you can banish the mold and restore your suit to its former glory.

Here’s what you can do:

  1. Fill a sink or basin with cool water and add regular laundry detergent.
  2. Gently agitate the water to create a soapy solution.
  3. Submerge the affected areas of the swimsuit in the water.
  4. Allow it to soak for approximately 15 minutes.
  5. Use a soft-bristled brush to delicately scrub the fabric.
  6. Rinse the swimsuit thoroughly with cold water.
  7. Leave it to air dry.
  8. In case the mildew stains prove to be stubborn, you may need to repeat this process a few times.

By following these steps, you can ensure that your swimsuit remains in pristine condition throughout the summer season.

2. Using Bleach

Bleach is a popular domestic cleaning agent renowned for its effectiveness in eliminating mold and its allergens. However, its efficacy is limited to non-porous surfaces when used alone. Therefore, it’s often combined with borax to enhance its potency. Borax, a naturally occurring mineral, is adept at destroying mold and mitigating mildew odors. When fused with bleach, it forms a potent solution capable of exterminating mold on both porous and non-porous surfaces. Besides being an efficient mold eradicator, borax also possesses the ability to prevent future mold growth. Consequently, this mixture can aid in maintaining a mold and mildew-free home.

Hand wash:

  1. Fill a large bowl with hot water.
  2. Add a cup of bleach to the water.
  3. Allow the swimsuit to soak for a few hours.
  4. Rinse the swimsuit with detergent.

Machine wash:

  1. Fill the machine with an appropriate amount of water.
  2. Add one cup of bleach to the machine.
  3. Run the machine for at least two cycles.
  4. Rinse the swimsuit.
  5. Allow the swimsuit to dry.


With swimsuit season in full swing, it’s time to make sure your swimwear is ready for action, whether you’re headed to the pool or the beach. In this post, we’ve provided easy-to-follow steps for effectively removing mold from your swimsuits. By following these tips, you can keep your swimwear looking and smelling fresh all summer long.

Read more about how to get mold out of stuffed animals.

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