Hard water stains and mineral scale are successfully dissolved by acidic chemical compounds that break down alkaline calcium carbonate and magnesium deposits. Common dissolving chemicals include acetic acid (found in white vinegar), citric acid (found in lemons and powder form), lactic and gluconic acids (the active ingredients in CLR), sulfamic acid, and hydrochloric acid (muriatic acid used for heavy-duty industrial masonry). These acids react chemically with the alkaline minerals, turning them into a water-soluble solution that wipes away easily. Verification: Always wear protective gloves and ensure proper room ventilation when handling strong dissolving cleaning acids.
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