How to Get Slobber Marks Off of a Slate Floor
- 1). Fill a bucket with about 1 gallon water and a squirt of dish soap.
- 2). Dip your mop into the cleaner, wring the mop out and wipe over the slate.
- 3). Spray a slate cleaner directly onto any remaining slobber marks and wipe with a damp mop.
- 4). Let the slate air dry.
Source...