I’ve tried scrubbing it several times with bar keepers friend soft cleanser and although it improves, it never goes away completely and it always comes back.

close up picture of bathtub floor discolouration

  • Bonehead@kbin.social
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    6 months ago

    And if that doesn’t do it, try the trick I learned for cleaning the cutting boards at Subway. Lay down paper towel over stain, pour straight bleach on the paper. Let it stand overnight. The paper keeps the bleach in place and it won’t dry as fast. A little harsh, but it works.

    • Old_Dude@lemmy.world
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      6 months ago

      Haha, what? First, why does a cutting board need to be spotless? Second, no way you used bleach on this and then cut food to serve to customers… I hope. Anyway, good cleaning tip for non food handling items.

      • Bonehead@kbin.social
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        6 months ago

        We had plastic cutting boards that covered the entire length of the counter that would become stained and dirty through the day despite being wiped down after almost every order. And since sanitization is vitally important at a restaurant, they needed to be cleaned somehow. The boards would be rinsed and wiped down every morning before use.

      • SoySaucePrinterInk@sh.itjust.worksOP
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        5 months ago

        A common way to wash many dishes is a tub of soapy water to clean off food, a tub of diluted bleach water to disinfect, and a tub of water to rinse the dishes. It’s used by wilderness guides around the world.