How do you revive dirty grout?

Author: Mrs. Wendy Kessler  |  Last update: Friday, June 5, 2026

Take bleach and baking soda, mix them and make a thick paste with a toothpaste-like consistency. Apply it on grouts and let it work for 15 minutes. Start scrubbing and then rinse it with water and let it dry.

How do you clean severely dirty grout?

  • Mix hydrogen peroxide and baking soda in a bowl to form a thick paste.
  • Spread the paste onto your grout using an old toothbrush to completely coat the area to be cleaned.
  • Like the previous method, use a brush with firm bristles to scrub the grout.
  • Use a damp cloth or mop to wipe off the remaining paste.

How do I make my grout look clean again?

  • 1. Sprinkle baking soda generously over the grout lines.
  • 2. Spray white vinegar over the baking soda. It will fizz and bubble, which helps lift dirt.
  • 3. Allow it to sit for about 10-15 minutes.
  • 4. Wipe the area with a mop or damp cloth. Rinse with water afterward.

How do you remove ingrained dirt from grout?

Mix equal parts of distilled white vinegar and warm water in a spray bottle. Spray the solution on the grout, working on one small area at a time. Let the mixture sit for 5 minutes. Thereafter, scrub the area with a brush or a stiff toothbrush.

What is the best thing to revive grout with?

Baking powder is actually a tried-and-true way to clean bathroom grout. First, mix some baking powder with water to create a thick paste. Then apply this paste to the grout and let it sit for about an hour. The grout can then be rinsed with clean water and any reside that remains can be wiped away with a cloth.

How to Clean Dirty Grout with Homemade Cleaner | Ask This Old House

How do professionals clean grout?

Steam cleaning is one of the most powerful ways to clean grout without the use of harsh chemicals. Professionals often use steam to loosen the dirt and other particles trapped in the grout without needing to scrub manually.

What product cleans dirty grout?

Scrubbing Bubbles Grime Fighter Spray

Scrubbing Bubbles Bathroom Grime Fighter is a multi-surface foam cleaner that thoroughly cleans tile, grout, bathtubs, countertops, and even the toilet. It's the perfect grout cleaner for showers, in particular.

How do you clean up dried grout?

To remove grout from the surface of your tile, try the sugar and water method. In a small bowl, mix together 1 cup of sugar and 1-gallon hot water. This mixture will soften the grout, allowing you to scrub it away. Using a clean cloth, sponge, or brush, apply the sugar and water mixture to the grout you want to remove.

How do you rejuvenate grout?

A mixture of hydrogen peroxide, baking soda and dish soap is quite effective too. Mix all the ingredients and apply to the grout lines thoroughly. Leave for half an hour, scrub with a brush and rinse thoroughly to get sparklingly clean grout lines.

Does hydrogen peroxide damage grout?

Yes, hydrogen peroxide is a natural neutral cleaner that is safe to use on grout. Hydrogen peroxide and baking soda produce oxygenated bleach, which is highly effective for cleaning grout.

Do grout pens work?

This really works! The grouting around the tiles in our kitchen and bathroom was looking very tried with several black damp spots. The grout pen covered it all in one coat and was very simple and quick to use. We added an extra coat on the very stained sections and now it all looks like fresh grouting.

What should you not use to clean grout?

Chemical cleaners, such as, Tilex, Soft Scrub, Scrubbing Bubbles, or ammonia products will nearly always result in your tile surfaces' grout becoming very discolored.

How to clean grout that has turned black on a shower?

One way to clean and whiten the grout is by use of hydrogen peroxide and baking soda. Mix the two ingredients to create a thick paste. Then, using a brush, spread the paste on the mold-affected grout and let it work for 5-10 minutes. Scrub the grout with a firm bristle brush and repeat if there is still visible mold.

Is Dawn dish soap good for cleaning grout?

If you're a die-hard DIYer, using Dawn dish soap alone can be a safer option for mild cleaning. Dilute a small amount of Dawn in warm water, scrub the grout with a soft brush, and rinse thoroughly.

How do you clean old dirty grout?

Clean grout with a commercial grout and tile cleaner. Apply it to the dirty areas of the grout following the manufacturer's instructions. If you prefer cleaning grout with a DIY mixture, make a paste of 3/4-cup baking soda, 1/4-cup hydrogen peroxide and 1 tablespoon of mild dish soap.

Is goo gone safe on grout?

It works on the tile and the grout, effectively cleaning everything from hard water stains to mold and mildew stains to soap scum.

Is OxiClean safe for grout?

If you're trying to clean grimy grout between your bathroom shower or floor tiles, then OxiClean™ bathroom cleaners are here to help! They get rid of grout stains on vertical and floor tiles for a refreshed bathroom.

What is the best homemade grout cleaner?

Combine equal parts hydrogen peroxide and baking soda on the spot you want to clean. It should be making a sizzle sound as the chemicals interact. Then, start scrubbing. The paste should turn foamy, like watery shaving cream.

Can you mix hydrogen peroxide and baking soda and vinegar?

If these chemicals are kept in a sealed container for a long time, it can cause a small explosion because the carbon dioxide will try to escape. So, while you can use baking soda, hydrogen peroxide, and bleach on their own for cleaning purposes, we recommend that you avoid mixing them with vinegar.

What is the best trick for cleaning grout?

Make a paste by combining 2 parts powdered bleach and one part water in a bowl. Once you've achieved the consistency of toothpaste, apply the mixture to your grout lines. Let it sit there for 15 - 20 minutes, then use a brush to scrub vigorously.

Is hydrogen peroxide good to clean grout?

The Cleaning Power of Hydrogen Peroxide

When applied correctly, it can effectively clean tile grout, restoring its original color and shine.

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