Dark residues and stains on grout from smoke come from a wide variety of sources such as burning cigarettes, cigars or pipes, fireplaces and wood stoves, outdoor fires and accidental fires that lead to smoke damage. As grout is porous and absorbs smoke particles and debris, removing smoke from grout typically requires the use of a slightly acidic or mildly abrasive cleaner to weaken the surface of the grout enough to break down the smoke residues and stains trapped within it.
Things You'll Need
- Spray bottles
- Distilled white vinegar
- Carbonated water
- Hydrogen peroxide (optional)
- Baking soda
- Grout brush
- Plastic scrubbing pad (optional)
- Nontextured cotton cloths
- Nongel toothpaste
- Heavy duty cleaner
- Stain removal product (optional)
- Grout or masonry sealer
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Fill one spray bottle with undiluted distilled white vinegar. Fill a second spray bottle with carbonated water.
Make a solution of one part bleach or hydrogen peroxide to five parts water in another spray bottle.
Add warm water slowly to 1 cup of baking soda in a container and mix until the baking soda has a paste-like consistency.
Spray the smoke-stained grout with the undiluted vinegar and wait 10 to 15 minutes.
Scrub the grout with a grout brush, toothbrush or plastic scrubbing pad until the smoke stain fades. If the stain doesn’t fade and you’re working with white grout, rinse away the vinegar with carbonated water and spray the bleach or hydrogen peroxide and water solution onto the stain. Wait 10 to 15 minutes and scrub again. For another option, squeeze nongel toothpaste onto the grout, wait 15 to 20 minutes and scrub, or spread the baking soda paste onto the stained grout with a spoon, wait 30 minutes and scrub. If you're working with colored grout, scrub only with the baking soda paste to remove the stain.
Rinse thoroughly with water and wipe dry completely with nontextured cotton cloths.