We had matt slate Regal tiles laid in our kitchen three years ago and they are starting to look really water damaged. We do use a non-abrasive floor cleaner but I think we might have damaged them somehow. Is there anything we can do/use to restore them? Any suggestions gratefully received!
Stop using chemicals to clean up the floor. Is that real slate? Hard to tell by picture
No, it's matt porcelain. And yes, obviously using chemicals isn't a good idea, but what I'm after is suggestions to get rid of the marks.
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