8 Effective Ways to Use Borax for Your Laundry

Are you looking for a way to refresh clothes that have turned dull or dingy? When old detergent and dirt get caught in the fabric, borax is the perfect all-natural addition to your laundry load. Borax works with your detergent to strip residue from your clothes so they look bright and clean, and it’s so easy to use whenever you’re doing laundry. Keep reading, and we’ll cover what borax is and how to add it to your laundry for extra stain- and odor-fighting power!

Things You Should Know

Add ½ cup (204 g) of borax to a load of white or colored clothes to soften the water, boost the power of your detergent, and brighten your clothes.
Mix ¼ cup (102 g) of borax and 2 cups (470 ml) of water into a solution, and apply it to any stains. Let the solution dry, and blot the stain with a damp sponge.
Brighten your clothes by soaking them in a solution of borax, washing soda, and powder detergent for 3–4 hours. Then, run the clothes through a rinse cycle.

Section 1 of 6:

What is borax?

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Borax is a mineral powder that’s used as a natural cleaner. Borax, also known as sodium tetraborate, is found in nature as a mineral that turns into a powder when it dries out. Since it dissolves easily in water and acts as a detergent, there are many ways to use borax around your home as a cleaner.^{[1]
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Research source} When you add borax to your laundry, it works by raising the pH to soften your water and make detergent more effective. It also helps deodorize your clothes and remove stains in the fabric.^{[2]
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- Borax is used for cleaning carpets, making laundry detergents, cleaning mold, and mildew.
- Borax can also be used to clean fine china, remove odors from your mattress, and scrub your shower tiles, and removes rust.
- While borax is similar to baking soda, borax has a slightly higher pH that helps your detergent work better.
- Borax powder is safe to use, but it could cause irritation if it gets in your eyes or lungs when it’s undiluted. Avoid applying borax to your skin, and keep it away from children and pets.^{[3]
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Section 2 of 6:

Borax as a Detergent Booster

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Add ½ cup (204 g) of borax to every load of laundry you run. Add the standard amount of laundry detergent to your washer, and put the borax directly into the machine’s drum. Run your load of laundry on the standard cycle. The added borax will help boost the detergent’s cleaning power as well as strip your clothes of odors and dirt.^{[4]
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- If you have a large-capacity or front-loading washer, use ¾ cup (306 g) of borax instead.
- To premix a borax laundry booster, add 1 tablespoon (25 g) of borax to 2 cups (470 ml) of water. Mix the solution until the borax dissolves and pour it into your washer with your detergent.^{[5]
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Section 3 of 6:

Whitening Clothes with Borax

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Soak dingy clothes in borax, washing soda, and powder detergent. Fill your tub with the hottest water from the tap. Pour in ¼ cup (102 g) of borax, ¼ cup (56 g) of washing soda, and ½ cup (217 g) of powdered laundry detergent into the water, and mix the water until they dissolve. To deep-clean your clothes, soak them in the water for about 3–4 hours, or until the water is cold. After that, drain the water and run your clothes through the rinse cycle on your washer.^{[6]
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- Soaking works for brightening whites and colored clothing. You may notice the water darken from dirt and debris coming out of your clothes, but it won’t bleed into or stain the fabric.
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Substitute borax for bleach to make your clothes look brighter. If you want a natural alternative to chlorine bleach, add ½ cup (204 g) of borax directly to your washer’s drum with your standard detergent.^{[7]
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Research source} Choose a warm or hot cycle on your washer to help the borax strip the most dust and dirt from your clothing.^{[8]
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- If you really want to whiten your clothes, use borax in the same load as chlorine or oxygen bleach.^{[9]
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Section 4 of 6:

Borax for Stain and Odor Removal

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Spot-treat stains with a borax and water solution. Mix together ¼ cup (102 g) of borax and 2 cups (470 ml) of water until the powder completely dissolves. Use a towel to apply the solution directly to the stain until it’s saturated. Let the borax solution dry, and then dab the stain with a damp sponge to lift it up.^{[10]
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- Toss your clothes into your washer with standard detergent afterward to wash the stain out completely.
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Soak your laundry in a borax solution to break apart stubborn stains. Fill a large bucket with warm water and toss in your stained items. Add in about ¼–½ cup (102–204 g) of borax to the water, and stir until it dissolves. Let your clothes soak for at least 30 minutes before tossing them in your washing machine.^{[11]
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- The borax will naturally break down the stain without damaging the fabric.
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Mix ½ cup (204 g) of borax with your load to combat musty odors. Toss your clothes into the washer with your regular detergent. Mix your borax with 1–2 cups (240–470 ml) of hot water and pour it into your washing machine. Run the hottest cycle the fabric can tolerate to help kill any mildew causing the odors in your clothes.^{[12]
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- If you have a top-loading washer, then add the borax solution after the drum already fills with water.

Section 5 of 6:

Improving Water Quality with Borax

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Soften hard water in your washer with ½ cup (204 g) of borax. Hard water makes it difficult for your detergent to lather up and clean your clothes.^{[13]
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Trustworthy Source

U.S. Department of Energy
Official site for the U.S. Department of Energy, which provides resources related to energy safety, conservation, and efficiency

Go to source} Pour the borax into your washing machine with your clothes and standard detergent. Because borax is a natural water softener, it will boost the effectiveness of your laundry detergent and leave your clothes looking great.^{[14]
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- Look for signs of hard water in your home, like mineral buildup around faucets, tough soap scum, or cloudy spots on glasses.
- Avoid using borax if you already have soft water since the detergent could create too many suds that could prevent your clothes from getting properly cleaned.^{[15]
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Use borax to raise the water pH for a stronger clean. If the water in your washer is slightly acidic, your detergent doesn’t remove stains as effectively.^{[16]
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Research source} Borax has a pH of 9.5, so it’s slightly alkaline and adding it to your washing machine helps neutralize the acids.^{[17]
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Research source} Use ½ cup (204 g) of borax for your laundry load.^{[18]
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- Use a pH probe or pH test kit to check the acidity of your water. If the water has a pH below 7, then it’s considered acidic.

Section 6 of 6:

Is borax safe for colored clothes?

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Borax doesn’t bleach clothes or remove dyes, so it’s perfectly safe for all of your laundry loads. Rather than removing dyes or colors, the borax helps soften the water so detergent penetrates deeper into the fabric for a more effective clean.^{[19]
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Warnings

Borax can cause eye or lung irritation, so work slowly to prevent the powder from spreading in the air.^{[20]
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Research source} Store borax away from children and pets so they don’t accidentally get into it.^{[21]
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