tile not clean

dantheman

New member
can someone please help me figure out why this tiles not getting clean? this is one of my best customers ad after pressure wqashing w soft pressure tips and a soap mix these stains were left.

never happened before... can someone tell me what they are and how to get them off? pictures attached
 

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Did you use SH?
 
can someone please help me figure out why this tiles not getting clean? this is one of my best customers ad after pressure wqashing w soft pressure tips and a soap mix these stains were left.

never happened before... can someone tell me what they are and how to get them off? pictures attached

Did you notice the color running off when you where rinsing?
 
Use stronger bleach, no ajax, pump up sprayer, down stream might not be pulling like it used to for you . Let it dwell before rinsing, shouldn't have to scrub, but dont be scared to, mexican tile is super soft when not sealed. That should take care of the green spots, that brendel pattern looks like common mexican tile "patina"..after cleaning MAKE them seal it, if not the tiles will be at risk to be damaged permanently(more patina).
 
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