Black Marks at the Bottom of the Toilet: The Natural Tip to Eliminate Them Effortlessly.

And there you have it, your toilet is now sparkling clean naturally. Easy, quick and effective, right? No more black, brown or yellow marks at the bottom of the toilet!

You now know how to remove a black mark from the bottom of the toilet bowl. It’s still cleaner that way for entertaining guests at home!

In addition, you have not used any chemicals to whiten and descale the bowl. Citric acid is 100% of natural origin, because it comes from corn and beets.

It does not pollute rivers and is compatible with septic tanks. It is therefore a very good alternative for cleaning a scaled toilet bowl with a septic tank.

Why does it work? Citric acid is a powerful natural scrubber that fights limescale naturally.

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