How to Darken Grout

Co-authored by Ryaan Tuttle

Last Updated: April 8, 2024

Tile floors or countertops often show their age over time. Usually this is not a result of the tile itself becoming worn, but the grout in between the tile. Many people opt to whiten the grout, but you also can darken in between the tile with grout stain. Coloring the grout will hide dirt that won't come out, and grout stains come in different colors to complement your tiles. Darkening grout is an inexpensive way to alter the look of your tiles without replacing them. Follow these easy instructions for darkening grout.

Method 1

Method 1 of 3:

Preparing the Grout

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Pour liquid dish soap onto a damp sponge. Gently scrub the surface of the grout lines to remove any dirt or dust that has not absorbed into the grout. Rinse with a clean, damp sponge. Allow the grout to dry for at least 3 hours, or until it is completely dry to the touch. Grout stain will not adhere well if the grout is damp.

Method 2

Method 2 of 3:

Applying Grout Stain

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Pour a small amount of grout stain into a paint tray. This will allow easier access to the stain. You may add more stain to the tray when necessary.
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Use a small artist's paintbrush and apply an even coat of stain to the grout. Use the stain sparingly on the brush and be careful not to allow any stain to pool in 1 area, as pools of stain will darken spots quickly due to the porous nature of grout. Allow the grout to dry for 1 hour.

Method 3

Method 3 of 3:

Cleaning the Tiles

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Remove excess stain that may have overlapped onto the tiles by filling a spray bottle with water. Thoroughly spray the area and wipe down with a clean sponge.
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Use a nylon scrub pad to clean any stubborn dried stain from your tiles.

Expert Q&A

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How do I properly mix grout?

Ryaan Tuttle
Home Improvement Specialist
Ryaan Tuttle is a Home Improvement Specialist and the CEO of Best Handyman, Inc. in Boston, Massachusetts. With over 17 years of experience, he specializes in building home service businesses, focusing on creating scalable and efficient brands. With the help of his global team, the companies have achieved over 10+ million in sales and received recognition through magazine features, and enjoy partnerships with wikiHow and Jobber field service software. Boston Magazine and LocalBest.com have named Best Handyman Boston the Best Handyman in Boston. Ryaan holds Construction Supervisor and Home Improvement Contractor Licenses.

Ryaan Tuttle

Home Improvement Specialist

Expert Answer

To properly mix grout, begin by mixing the correct amount of water into a mixing bucket according to the manufacturer's specifications. Gradually incorporate the grout powder while stirring continuously for about five minutes. Allow the mixture to rest for a few minutes to facilitate the chemical reaction. Afterward, give it a quick stir before using it for your tiling project. Always follow the manufacturer's instructions for optimal results.

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The grout in our new shower floor is too light. Is there a way to darken it without removing it?

Paula Kesler

Community Answer

There are products designed specifically to recolor grout, and they are usually found in the grout aisle.

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Tips

You may apply multiple coats of grout stain to achieve a darker shade. Wait 90 minutes between coat applications.

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Using a darker shade of grout stain will yield more dramatic results than a lighter shade, particularly if you have tiles that are light in color.

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If your grout is freshly laid, you will need to wait 30 days before applying any grout colorant, as the porous grout will need time to cure.

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How to Darken Grout

Steps

Preparing the Grout

Applying Grout Stain

Cleaning the Tiles

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