How to Clean Grout Off Tile

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Laying tile can lead to an unsightly grout haze or even hardened grout that needs to be cleaned off your tile. Also, the grout in your kitchen and bathroom tiles is a virtual magnet for picking up dirt, mold, and mildew. You can tackle both of these situations with a little elbow grease, products found in your home, and some ingenuity. Before cleaning, test the methods you plan to use on a small portion of your tile and grout first. And once your grout is clean, be sure to take some preventive measures to help keep it looking good.

Method 1
Method 1 of 4:

Removing Grout Haze

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  1. 1
    Clean the haze with a damp tile sponge. Dip a large yellow tile sponge in a bucket of water and wring it out. Scrub the tile in a single direction, rather than moving back and forth or cleaning in a circular motion. [1] Rinse and wring the sponge frequently, and change out the water in the bucket when it gets dirty.
  2. Pick up grout haze remover from your local hardware store or tile supply store. Put the remover on a clean cloth or rag, and wipe the tiles with it.
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  3. Mix 1 cup (240 mL) of distilled vinegar with 1 quart (0.946 L) of warm water. Mop the floor with this solution. Use a scrub brush on stubborn areas. Don't rinse the vinegar solution off the floor. Allow it to dry completely before sealing. [2]
    • Don't use vinegar on marble, travertine, or granite. [3]
  4. Stir white sugar in warm water in a ratio of 1 part sugar to 10 parts warm water. Sponge this mixture into the hardened grout. Leave it alone for an hour, then scrape the grout off your tile. Keep applying sugar water as needed while you scrape to keep the tile moist. [4]
    • Adjust the ratio of sugar to warm water until you have an effective mixture.
    • Alternatively, you can apply undiluted vinegar to hardened grout to make it easier to scrape the grout off of your tile. Once the grout is removed, rinse the entire area thoroughly with plain water to remove all of the vinegar.
  5. Use a dry scrubbing sponge or cheesecloth to rub down the tile. Rub the tile until the haze is removed. After you lightly sand the grout off of the tile with the cheesecloth or sponge, vacuum up all of the dust before sealing. [5]
    • Try this method on grout that has not set for long.
    • Don't wet the sponge or cheesecloth or the dust from the grout will stick to the floor again.
  6. 6
    Avoid using commercial detergents. Though you may be tempted to spray a commercial cleaning product on the tile to remove grout haze, this could actually make the problem worse. Not only can it create additional haze, it may discolor the grout between the tiles.
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Method 2
Method 2 of 4:

Using Homemade Cleaners

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  1. Make a thick paste from ¾ cup (180 mL) of baking soda with ¼ cup (60 mL) of bleach. Use an old toothbrush or nylon scrubbing brush to work the paste into the grout. Let it sit for 15 minutes, then scrub it. Allow it to sit another 15 minutes, then wipe it off with a damp rag. Frequently rinse out the rag with water as you're wiping off the paste. [6]
    • Wear gloves when cleaning with bleach.
    • Open a window or wear a respirator to protect your nose, throat, and lungs.
    • Protect your eyes with safety glasses.
    • Wear old clothes that can get bleached.
  2. Rub baking soda into the grout with your finger. Make it stickier by combining water with the baking soda until you have a thick paste. Next, fill a spray bottle with vinegar and spray vinegar all over the baking soda. Let the mixture bubble for a few minutes, then scrub it with an old toothbrush or nylon scrubbing brush. Wipe up the solution with a damp rag that you rinse frequently. [7]
  3. Wet the grout and surrounding tiles with a damp sponge. Sprinkle it with a coarse salt, then scrub the salt into the grout with a toothbrush or nylon scrubbing brush. Allow the salt to dry overnight, then rinse it off in the morning. [8]
    • Scrub with any coarse salt, even Epsom salts.
    • You can use the same method to clean your grout with Borax. Put a damp scrub brush in a bowl of the Borax and use that to scrub the grout.
  4. Combine two teaspoons (9.85 mL) of cream of tartar with enough lemon juice to create a liquidy paste. Rub the paste into the grout, then scrub it with a toothbrush or nylon scrubbing brush. Rinse the paste off with plenty of water.
    • Use water if you don't have lemon juice.
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Method 3
Method 3 of 4:

Cleaning with Other Methods

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  1. Rent a steam cleaner if you don't own one. Use the steam cleaner to remove mold and mildew from your grout. The combination of high heat and pressure are very effective. Don't use a steam cleaner on enamel or anodized surfaces. [9]
  2. Mix 2 cups (480 mL) of powdered oxygen bleach with 1 gallon (7.57 L) of hot water. Scrub the water and bleach into the grout for 5 minutes. Next, leave the bleach on the grout for an hour. [10] Finally, scrub for another 5 minutes and rinse clean. [11]
    EXPERT TIP

    Dario Ragnolo

    House Cleaning Professional
    Dario Ragnolo is the Owner and Founder of Tidy Town Cleaning, a home cleaning service in Los Angeles, California. His business specializes in residential & commercial cleaning. He is a second generation home cleaning expert, who grew up around his parents cleaning business in Italy.
    Dario Ragnolo
    House Cleaning Professional

    You can also try using a cleaner made specifically for grout. One of the easiest ways to clean grout is with a commercial product like Goo Gone. You can then just scrub the grout with a brusher.

  3. Slowly pour 1 cup (240 mL) muriatic acid into 1 gallon (7.57 L) of water in a bucket. Next, apply the water and acid to the grout with a paint brush and wait a few minutes. Rinse the acid completely off the grout and then neutralize any remaining acid by applying a solution of 1 cup (240 mL) ammonia and 1 gallon (7.57 L) of water. Rinse off the ammonia solution thoroughly. [12]
    • Look for hydrochloric acid if you can't find muriatic acid. They are the same thing.
    • Don't add water to the acid or you might cause a dangerous reaction.
  4. Combine equal amounts of hydrogen peroxide and water in a spray bottle. Spray this on the grout and let it stand for 15 minutes. Finally, wipe it off. For stubborn stains, keep the solution on overnight. [13]
    • Don't mix hydrogen peroxide with bleach.
  5. 5
    Try bleach cleaner. Pick up a household cleaner that contains bleach. Spray it directly on the grout and let it sit for 5 minutes. Then, use warm water to mop the entire floor. Be sure to wet and wring out your mop as many times as is necessary.
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Method 4
Method 4 of 4:

Keeping Your Grout Clean

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  1. Prevent any cleaning solutions from settling in grout on your floor by vacuuming and mopping to thoroughly remove cleaners. Try using a shop vacuum instead of mopping. To do this, put water on your floor and vacuum it up with the shop vac. [14]
  2. Every couple of years, maintain your bathroom and kitchen grout and tiles with a sealant. Clean the grout first, make sure it is completely dry, then apply a sealant. Consult with your local hardware store about the right kind of sealant for the tiles you own. [15]
  3. Wipe down and dry the tiles in your bathroom and kitchen whenever they are damp, steamy, or wet. This will slow the growth of mold. Also keep your kitchen and bathroom doors and windows open, or use a humidifier or exhaust fan to reduce damp and steam in rooms with tiles. [16]
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Expert Q&A

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  • Question
    How can I get fresh grout off of tile?
    Art Fricke
    Home Renovation & Repair Specialist
    Art Fricke is a home renovation and repair specialist and the owner of Art Tile & Renovation based in Austin, Texas. With over 10 years of experience, he specializes in bathroom and kitchen renovations. Art focuses on a single contractor approach to customized renovation work, and performs projects such as installing custom tile showers, fixing tiled shower leaks, replacing cracked tiles, and installing floor and wall tile.
    Art Fricke
    Home Renovation & Repair Specialist
    Expert Answer
    Wipe it up with a damp sponge. Work in circular motions to lift the grout off of the tile before it dries completely.
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      Tips

      • If the cleaner you use softens the grout between the tiles, simply smooth it out with a plastic putty knife and let it dry completely.
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      References

      1. ↑ Art Fricke. Home Renovation & Repair Specialist. Expert Interview. 1 July 2020.
      2. ↑ http://www.chrislovesjulia.com/2014/04/removing-grout-haze-the-easy-way.html
      3. ↑ http://www.cleanandscentsible.com/2015/09/how-to-clean-grout.html
      4. ↑ http://www.diydoctor.org.uk/projects/cleangrout.htm
      5. ↑ http://www.tilecleaning.org/how-to-remove-grout-haze.htm
      6. ↑ http://www.practicallyfunctional.com/make-your-own-grout-cleaner/
      7. ↑ http://makinglemonadeblog.com/green-cleaning-with-vinegar-grout-tub-sink-cleaner/
      8. ↑ http://www.naturallivingideas.com/clean-tiles-grout/
      9. ↑ http://www.homeadvisor.com/r/clean-grout/#.WQqmasm1t-0
      1. ↑ Art Fricke. Home Renovation & Repair Specialist. Expert Interview. 1 July 2020.
      2. ↑ https://www.homerepairtutor.com/clean-ceramic-tile-and-grout/
      3. ↑ https://www.hunker.com/12369193/how-to-clean-tile-grout-with-muriatic-acid
      4. ↑ http://www.cleanandscentsible.com/2015/09/how-to-clean-grout.html
      5. ↑ https://www.washingtonpost.com/lifestyle/home/how-to-clean-old-tile-grout-thats-become-unsightly/2016/06/03/86cef8c2-2442-11e6-9e7f-57890b612299_story.html?utm_term=.120b3b61d5b0
      6. ↑ http://www.bhg.com/homekeeping/house-cleaning/surface/how-to-clean-grout/
      7. ↑ http://www.bhg.com/homekeeping/house-cleaning/tips/how-to-prevent-mold-and-mildew/

      About This Article

      Article Summary X

      To clean grout haze off your tiles, dip a large tile sponge in a bucket of water, wring it out, and use it to scrub your tiles in a single direction. For stubborn grout haze, mop the floor with a mixture of 1 cup of white vinegar and 1 quart of warm water. Then, let the tiles dry completely before sealing the floor. If the grout is already dry, apply vinegar and water to it and let it sit for 1 hour. Then, scrape the grout off your tiles and rinse the area with water to remove the vinegar. To learn how to clean grout haze with other household iproducts, like bleach and baking soda, scroll down!

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      • Suzanna

        Aug 12, 2022

        "Getting the haze off that covers entire tile."
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