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How do I permanently get rid of this discolouration in my bathtub? (I have hard water)
(sh.itjust.works)
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.
Bleach does the job for me. Add water and some bleach and let it stand for bit before wiping and rinsing.
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.
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.
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.