Take your best guess as to what happened here...

Mikey P

Administrator
Joined
Oct 6, 2006
Messages
114,331
Location
The High Chapperal
These photos were sent to me by an IICRC instructor who got them from a student who doesn't know what's going on

Porcelain.
Cleaned with a glided carpet wand.
Prochem professional alkaline tile cleaner.

IMG_20210805_101432.jpgIMG_20210805_101427.jpg
 

BIG WOOD

The Timminator
Joined
Feb 4, 2016
Messages
13,681
Location
Georgia
Name
Matt w.
Foot lotion not rinsed out fully?

And the fact that he used a carpet cleaning tool, and not a tile cleaning tool might be the cause also
 

Jim Morrison

Member
Joined
Oct 7, 2006
Messages
783
Location
Canada
Name
jim
Looks like he did a single flush stroke running an emulsifier and had incomplete cleaning where the jet patterns overlapped.
 
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Tom Forsythe

Member
Joined
Dec 19, 2006
Messages
486
Soap scum residue from every time they get out of shower. Jets or glide holes removed in noticeable streaks. The dark area seen to match area by toilet. A rotary pressure extractor would not have left those lines.
 
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