How do stains appear on the surface of the sink?

These stains usually involve limescale deposits, which appear depending on the hardness of the drinking water (information supplied by regional water suppliers). These limescale deposits retain dirt particles to a greater extent, with the result that unattractive stains form in only a short period of time.

Small iron and rust particles from the water mains network may also make it appear as though there are rusty marks, particularly in the case of new buildings or when repairs are being carried out to the mains pipelines, and where cast-iron water pipes are involved.

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