- 1). Wet the surface of the grout and surrounding tiles. Allow the excess water to drain off for a few minutes so the grout is damp, but not soaked.
- 2). Mix a paste of equal parts polishing cleanser and liquid bleach to create a grout-cleaning poultice. If your tile grout is darker than beige, add just 1 teaspoon bleach and 1/4 cup water to 1/4 cup polishing cleanser to make the paste. Stir 1 tablespoon baking soda into either mixture to boost the cleaning power.
- 3
A toothbrush is the perfect size for thorough grout-scrubbing.Jupiterimages/PhotoObjects.net/Getty Images
Apply the poultice to damp grout with an old toothbrush, making sure to completely cover the grout. Allow the poultice to dry on the grout for a few hours. As the paste dries, it draws out stain material and also kills mold and mildew spores. - 4). Spray the surface of the grout with a bottle of water to dampen the poultice. Scrub the grout with the toothbrush to loosen and remove the poultice. Rinse the grout thoroughly with plain water.
- 5). Repeat Steps 3 and 4 if any discoloration remains on the grout. Wipe a bleach pen across white grout and allow the gel to sit for a few minutes. Scrub again with the old toothbrush to remove the remaining stains.
- 6). Rinse the grout with water and dry the tile and grout with clean cloths.
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