Many cleaning professionals visit the International Custodial Advisers Network (ICAN) Ask the Experts page for insight and, every business day, we deliver advice to better help you perform your job.
An employee spilled acid bowl cleaner on a marble floor.
The marble does not have a smooth hi-gloss factory finish.
It is a more natural finish with veins and natural pitting.
Any ideas on how to remove the stain, or at least lighten it, without having to grind the stone?
Friday’s Answer:The hydrochloric acid in the bowl cleaner etched the marble by reacting with the calcium carbonate in the stone.
To read this response in its entirety, click here.