Hi guys,
Thank you for your input for yesterday's granite sinks.  We did the job and the customer was very happy with the repair.  I will post pics on that thread as soon as I get them.
Today I have another question.  We inherited a high traffic ceramic floor where the customer has been using a very strong, ph13, butyl based degreaser straight to get the floor clean.  Although it gets it clean with agitation of a blue scrubbing pad, it doesn't stay clean long.  I suspect damage to the surface.  It should not require that chemical to be used straight and have aggressive agitation so often.  Is it possible that micro scratches have created a scratch pattern that is rapidly trapping soils.  This is in a movie theatre so the traffic is high but light duty.  What do you guys think?

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