How to Remove Black Stains from Floor Grout

drop of mild dishwashing liquid to help loosen greasy residue.
Allow the mixture to remain on the grout for about 5 to 10 minutes.
Scrub using a toothbrush or grout brush.
Rinse thoroughly with clean water and dry the surface.

Use normal household-strength hydrogen peroxide and avoid combining it with other cleaning chemicals. More product does not necessarily mean better cleaning, and excessive chemical use may damage certain surfaces or grout sealants.

  1. White Vinegar for Suitable Surfaces
    White vinegar is frequently used for household cleaning because its acidity can help