To clean a marble floor, use a dust mop to sweep away surface dirt. Combine warm water with a pH neutral cleaner, such as liquid dishwashing detergent, and use a rag mop to mop the floor. Rinse the floor with fresh water and dry with a soft cloth.
- Sweep the floor
Use a dry dust mop to sweep up any surface dirt and dust from the marble floor.
- Prepare the floor cleaner
Fill a bucket with warm water and add a small amount of a natural dishwashing liquid. Make sure the dishwashing liquid is pH neutral and acid-free. If the marble floor appears to have a lot of stains or soap scum, use a diluted ammonia solution, combining about 1/2 cup of ammonia with a gallon of water.
- Mop and rinse the floor
Use a rag mop to mop the floor with the cleaning solution. Avoid over-soaking the floor. Drain the soapy water and rinse the soap from the mop. Fill the bucket with fresh water and use the mop to rinse the soap from the floor. If you are mopping a large area, change the rinse water frequently to prevent soapy streaks.
- Dry the floor
Use a clean soft cloth to dry the floor completely.