What are the black stains in my toilet, and how can I remove them?
Q: My old toilet has black stains where you see water, not on the sides of the bowl. I have tried using Zep Acidic Toilet ...
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Bleach won't remove limescale in toilet - but one natural item makes it disappear in 30 seconds
as video resurfaces They posted an image of their black limescale-stained toilet bowl and asked: "Help! I clean my toilet regularly with different types of bleach products, has anyone got any more ...