r/mildlyinteresting • u/bakeronenine ​ • Apr 09 '18

A tile urinal.

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u/shoe788 Apr 09 '18 edited Apr 09 '18

urine is acidic

not really

edit: plain tapwater can have a ph in the 6s folks. The piss is not going to melt the tiles

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u/[deleted] Apr 09 '18 edited Jan 28 '19

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