Is the yellow stain on white ceramic urinals caused by urine or water?

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  1. cleanersalliance says:
    November 29, 2009 at 9:48 pm

    It is caused by the iron and minerals in the water

  2. Mary L says:
    November 29, 2009 at 9:48 pm

    urine

  3. SAK says:
    November 29, 2009 at 9:48 pm

    Urine.

  4. Alice C says:
    November 29, 2009 at 9:48 pm

    It’s a combination of both, hard water and urine.

  5. ♥♥♥mom3ღ says:
    November 29, 2009 at 9:48 pm

    Probably both
    But I haven’t seen a urinal in ages. I tend not to go into the men’s room.

  6. Dzalumni says:
    November 29, 2009 at 9:48 pm

    Yellow stains are often times an indication of Hard Water.

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