Iron out poultice leaves blue/purple stain Dayron 17 Mar 2014 18:37 EDT
I have this Calcutta floor which I had poultice with iron out 1/3, diatamacoius earth 2/3.  I did half of the home and it did great, but did the other half of home and it left these ugly blue/ purple stains. Has anyone incountered this and if you have what did you do to get rid of it

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Dayron Padilla
Perfect Marble