Method:
- 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.
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Feb 12, 2023 · With an old toothbrush, a mild liquid detergent, or a liquid hand soap, brush the grout area. In areas where dirt may be hard to remove, apply ...