How to Clean a Bathtub with Bleach

Co-authored by Michelle Driscoll, MPH

Last Updated: October 6, 2024 References

Nobody likes a dirty bathtub. Fortunately, a bit of bleach will make your tub look new again. To get started, rinse the tub out with water. Mix up a diluted bleach solution, then get to scrubbing. Rinse the tub out with water and then dry it with a towel.

Method 1

Method 1 of 3:

Cleaning a Regular Tub

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If you have any loofahs, soaps, or bottles of shampoo, conditioner, or body lotion, take them out of the tub. Place them on the counter or somewhere out of the way where they will be safe while you clean the bathtub with bleach.^{[1]
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Turn the hot water on briefly and run a sponge under it. Turn the water off. Use the damp sponge to wipe down the surface of the bathtub. This will help loosen grime and material, making it easier to eradicate tub scum later with bleach.^{[2]
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Combine ½ cup (118 milliliters) bleach with 1 gallon (3.8 liters) of water. Dip a sponge into the solution and wipe it across the surface of the tub. Wait at least 5 minutes before moving on to the next step.^{[3]
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After you’ve left the bleach solution on the tub for at least 5 minutes, dip another sponge in cool water and wipe the tub with it by moving your hand in a gentle circular motion. Wipe the tub dry using a towel.^{[4]
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If your bathtub is still grimy, mix a paste of equal parts baking soda and bleach. Apply the paste to the grimy or discolored area. Wait at least 15 minutes, then spray water on the paste and use a damp sponge to wipe the paste away, moving your hand in a gentle circular motion. Dry the area with a towel.^{[5]
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Method 2

Method 2 of 3:

Cleaning a Tub with Jets

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Some manufacturers recommend closing the air controls during cleaning. Others recommend leaving them open. And some manufacturers prescribe (and proscribe) the use of particular cleaning products. Consult your manual to discern the best way to proceed.^{[6]
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Fill the tub. Turn the water on. As the tub fills, add ½ cup (118 milliliters) of mild dish soap and 4 cups (1 liter) of bleach if your tub is really gross. If your tub only needs a mild cleaning, add just 2 cups (1/2 liter) of bleach.^{[7]
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- If the water from your tub’s faucet does not reach at least 140° Fahrenheit (60° Celsius), you’ll need to boil some water on the stovetop until it reaches the appropriate temperature, then transfer it to the tub.
Turn the jets on for 20 minutes. At the end of the 20 minutes, empty the tub by pulling the drain out of the bottom.^{[8]
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Turn the water on. This time, though, you need only fill it with lukewarm water (even cool water should work just fine).^{[9]
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Research source} Don’t add soap or bleach. Turn the jets on for another 20 minutes.^{[10]
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By this time, all bleach residue should be thoroughly drained. Just to be sure, though, wipe the inside of the tub down with a towel. This will prevent skin irritation should any bleach residue remain.^{[11]
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Method 3

Method 3 of 3:

Using Bleach Safely

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1
Ensure bleach is safe to use on your tub. Do not use bleach on tubs containing iron. The bleach will cause the iron to oxidize, leaving behind red streaks. Using bleach on acrylic or enameled bathtubs is also generally impossible, as the bleach will cause the acrylic coating to decay.^{[12]
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- Some manufacturers of acrylic tubs do permit the use of powdered oxygen bleach. Consult the owner’s manual for your tub or contact the manufacturer for information about whether such a product is acceptable for cleaning your tub.
The stench of bleach can be overpowering and cause breathing problems if used in high concentrations. Keep the door to the bathroom open, too, and turn on a fan if necessary.^{[13]
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Do not mix bleach with other cleaning products. Mixing bleach with ammonia or vinegar, for instance, can cause toxic fumes. Mixing can happen on the bathtub’s surface, too, so wipe or wash away one cleaning product before applying another.^{[14]
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- The only thing you can safely mix with bleach is water.
Bleach is rough on skin. To protect yourself, wear heavy-duty rubber cleaning gloves. Additionally, wear eye protection like safety goggles or glasses.^{[15]
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Wear old clothes. Bleach discolors fabrics. If you accidentally splash bleach on your clothes, you’ll end up with white stains where the bleach comes in contact with your clothing. To prevent ruining your favorite outfit, only wear clothes you don’t particularly care for when using bleach to clean your bathtub.^{[16]
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- When patting down the inside of your bathtub, use a white towel, or one you don’t mind getting discolored.
6
Use baking soda and vinegar as a bleach alternative. If you want a gentler and more environmentally friendly alternative to bleach, try gently scrubbing your tub with a little baking soda and a scrub brush or washrag. Mix up a solution of 4 cups (0.9 liters) of hot water and 1 cup (0.2 liters) of vinegar, then dip your brush or rag in that and go over the tub again, giving special attention to stubborn areas. Rinse the tub as you would after using bleach.

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What can you use to measure a gallon?

Michelle Driscoll, MPH
Founder, Mulberry Maids
Michelle Driscoll is the Owner of Mulberry Maids, which is based in Fort Collins, Colorado. With five years of experience, her business specializes in cleaning homes and small offices. She holds a Masters in Public Health from the Colorado School of Public Health. Additionally, Mulberry Maids has an A+ rating from the Better Business Bureau.

Michelle Driscoll, MPH

Founder, Mulberry Maids

Expert Answer

Some wash buckets have a line inside marking gallon measurements. Or, if you have an empty gallon milk jug, that is always an easy way to measure a gallon. One gallon is 16 cups.

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