Vacuum or sweep the floor to remove loose dirt and debris
Mix warm water with a pH-neutral tile cleaner
Spray the grout lines generously with the cleaner
Let the cleaner sit for 5 to 10 minutes
Spray a baking soda and water paste directly onto the grout
Apply hydrogen peroxide to stained grout lines
Use a steam cleaner with a grout attachment
Use an oxygen bleach solution on stubborn stains
Mop the floor with the cleaning solution and rinse well
Repeat the process on heavily stained areas
Dry the floor with a clean microfiber cloth
Seal the grout after cleaning to help prevent future buildup