Many natural stone owners are aware that acids like vinegar, lemon, etc. can cause etching, but did you know high alkaline substances can also cause etching?
Have you seen stains disappear with professional cleaning, then reappear once your carpet dries? Learn how this happens and what can be done about it.
See Fred Hueston, Chief Technical Director of Stone & Tile PROS, demonstrating how to mix and apply a poultice for removing a stain from natural stone.