I've read numerous posts about cleaning travertine showers with blue Dawn. However, I've never done it. Can someone tell me exactly what to do? Should I dilute it and scrub? Use it straight? What scrubber is safe? I've never had travertine before, so I don't want to hurt it. I won't even hint at how long I've lived with it without properly cleaning it...
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I'd love any of your hints!