- Apply cleaning solution to the grout and make sure all the crevices are covered. You may need to reapply the solution but be careful not to saturate the floor.
- Leave the solution on for about half an hour. This will be just enough time to loosen stains and lift them off easier, too.
- Scrub the grout clean with a brush with hard bristles. You could find brushes that are created specifically for this purpose at some DIY stores. You do not have to buy one though as any old toothbrush would work just as well. Just be careful to store it with other cleaning tools!
- When you have removed all the dirt and stains, you can rinse your tile floor or wall with clean water. Dry the surface with a clean cloth.