Customer has a recently installed high gloss Italian porcelain tile with
spectra lock epoxy grout. The problem is hazy splotches first thought to
be residue from the grout install. It has the appearance of  fogged
mirror. I tried polish, stripper etc with no effect. then I looked at it
through a magnifying glass and could see the foggy areas have more open
pores than the glossy areas. Could anything in the install have cause
this? Can porcelain be polished and with what? Customer is going to pull
extra tiles out of storage to see if the problem was preexisting.
Thanks
Stephen

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