When your pampered pet has an accident on the floor in your house, you may think nothing of grabbing paper towels or a wet rag and wiping it up. However, if you have stone of any type--marble, slate slabs--the acid from the pet's urine will etch into the stone. Once the stain has been allowed to set, a deep cleaning of the surface is needed.
Use a soft cloth dipped in sudsy water. This can be water with any kind of soap detergent added to it.
Wet a dry cloth with rubbing alcohol. You want to wipe down the stained area as well as the area around it. Stains spread. Just because you can't see it, doesn't mean it isn't there. You will want to clean an area twice as large as the stain itself.
Soak a dry cloth in watered-down bleach: 2 parts water to 1 part bleach. Once the area is dry from the alcohol, wipe it down with the bleach until the stain is removed.
Repeat Steps 2 and 3 as needed until the stain is completely removed
Dip a dry cloth in clean water and wipe down the area once the stain is removed from the stone.
Dry the area using a clean, soft cloth.