All kinds of spills can cause damage to your stone floor, so they need to be cleaned immediately to avoid permanent staining. Natural stone floors can be damaged by acidic liquids such as pet urine, coffee, wine, juice, and milk. When cleaning off spills, be sure to only absorb them by dabbing soft cloth or tissue onto the stain. You don’t want to wipe them as this can spread the stain to the other parts of your floor.