Does hydrogen peroxide remove grout stains?

Author: Mr. Zakary Greenholt  |  Last update: Tuesday, February 10, 2026

Is hydrogen peroxide safe for 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.

Will hydrogen peroxide damage grout?

Effects of Hydrogen Peroxide on Grout

Hydrogen peroxide is generally safe for grout, but like any cleaning agent, it can have adverse effects if overused or misapplied. Hydrogen peroxide is a mild antiseptic and bleaching agent, so it works well on grout and tiles to tackle stains, mold, and bacteria.

How do you get deep stains out of grout?

Vinegar and Baking Soda
  1. Combine baking soda and water and create a thick paste.
  2. Apply the paste it to the stained grout.
  3. Once the paste is applied, pour or spray white vinegar over the top of it.
  4. Scrub the stained grout.
  5. Rinse and repeat as needed.

What do professionals use to clean grout?

Some professionals swear by a simple mixture of baking soda and peroxide to clean grout. Hydrogen peroxide is an acid, and baking soda is a base compound. Mixing the two together creates a reaction that can penetrate the grout lines and free dirt and debris.

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 dirty grout quick and easy with baking soda and peroxide instructions 

Does OxiClean clean 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.

How do you restore discolored grout?

We got you covered, and here we have the 7 most efficient ways to clean grouts.
  1. Cleaning Grouts By Scrubbing. ...
  2. Use Dish Soap Solution. ...
  3. Use Vinegar And Water. ...
  4. Use Baking Soda And Vinegar. ...
  5. Use Hydrogen Peroxide. ...
  6. Steam Clean For Hard Stains. ...
  7. Use Bleach.

What is the best homemade grout cleaner?

DIY Grout Cleaner

Make a spreadable paste with 3/4 cup baking soda with 1/4 cup hydrogen peroxide and 1 tablespoon of mild dish soap. Add more baking soda or peroxide if the mixture is too runny or thick.

Can grout be permanently stained?

Permanence: Staining grout is permanent, so you want to ensure you're satisfied with your color choice first. Preparation and Maintenance: Proper surface preparation and maintenance are crucial for a successful outcome. Requires Expertise: It's typically a job that requires the help of a professional or skilled person.

How do you clean severely dirty grout?

The most effective and simple way to clean your grout is using distilled white vinegar mixed with water. If the grout is heavily stained and requires lightening, you may decide to first apply bicarbonate of soda paste before you begin cleaning.

Are grout pens any good?

Grout pens will only temporarily cover your grout's discoloration. That's probably why they are the cheapest option available. We run into the infamous grout pen issue nearly every other week. The project usually goes awry when the homeowner applies the grout pen to the grout and some bleeds over onto the tile.

Will Dawn dish soap clean 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. However, this method is less effective for tackling stubborn stains or deep-seated grime.

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.

Can toothpaste whiten grout?

Try using just plain old toothpaste and apply a dollop to a damp cloth. Next, pat down the grout gently and let it sit like that for a few hours. Finally, wipe away what's left of the toothpaste, and voilà, your grouts should be squeaky clean and white.

How do you get brown stains out of grout?

Cleaning grout with vinegar is a popular solution to keep your bathroom shiny. Create a solution of half water and half white vinegar – you could also use brown vinegar, but it tends to have a stronger smell which you may not wish to have anywhere besides your chips.

How do you remove dark spots from grout?

The active ingredient in bleach, sodium hypochlorite, has fungicidal properties that can destroy the structure of mold and its spores, effectively killing it. In addition to killing the mold, bleach can also help remove the discoloration or staining left behind by the mold.

How to repair stained grout in shower?

Mixed baking soda with hydrogen peroxide, into a paste - applied to grout lines by scrubbing with an old toothbrush. Leave for 15–20 minutes, & wash off. Not perfect, but generally works.

Can you use hydrogen peroxide on 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.

Does comet work to clean grout?

So long as your tile isn't acid-sensitive, like marble and travertine, an acid-based bathroom cleaner like Lysol Power Bathroom (or Comet Disinfecting if you clean commercially) is ideal because the acid dissolves hard water and removes stains, keeping your grout bright without the risks and fumes of bleach (if you've ...

How do you remove stubborn grout stains?

How it works: To make a homemade grout cleaner, mix 1 tablespoon liquid dish soap with 1/2 cup baking soda and 1/4 cup hydrogen peroxide in a shallow dish or a squeeze bottle. Apply the solution to the grout lines and allow it to stand for 5 to 10 minutes.

What is the best home hack to clean grout?

Try Vinegar and Warm Water For A DIY Solution

Vinegar is a miracle ingredient for cleaning things around your home. Fill a spray bottle with equal parts distilled white vinegar and warm water. Give it a good shake and then spray the grout. Let it sit for 5 minutes.

What grout cleaner do professionals use?

Low-pressure steam is a safe, effective grout cleaner. What The Grout Medic's pros use to clean grout is low-pressure, hot water vapor. Our grout cleaning system uses a simple blast of steam to safely expel dirt particles, germs, and bacteria from the porous surface of your grout.

Can you mix baking soda and hydrogen peroxide?

The two products can be safely combined to form a paste or used separately to whiten laundry, remove odors, disinfect surfaces, and much more. Never mix and store baking soda and hydrogen peroxide in a closed container. Mix them when you are ready to do some cleaning for the best results.

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