In a bucket, mix 1 tablespoon of mild soap or a stone cleaner with 1 gallon of warm water. Stir the solution well to ensure the soap is fully dissolved.
The Care and Cleaning of Sandstone Window Sills: Methods, Materials, and Preventive Maintenance how to clean sandstone window sills
By following these steps and tips, you can keep your sandstone window sills clean, beautiful, and well-maintained for years to come. In a bucket, mix 1 tablespoon of mild