No matter how much you scrub, those black marks at the bottom of your toilet keep coming back? Not only are they unsightly, but they can also be a sign of a maintenance or humidity problem. No need to buy expensive and aggressive chemical products! A natural, simple and extremely effective solution exists. Find out how to remove these stains effortlessly and keep your toilet spotless every day.
Why do these black marks appear?

Before tackling stains, it is essential to understand their origin . They can be due to several factors:

Mineral deposits : If your water is hard (rich in limestone), it leaves residues that accumulate and eventually turn black .
Mold : A poorly ventilated bathroom and ambient humidity encourage their development in the toilet bowl.
Bacteria : Some microorganisms thrive in humid environments , which may explain these dark marks.
Identifying the cause allows you to adopt the right method to eliminate them effectively.

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