Citric acid cleaning powder is designed for the interior of electric water boilers and can also be used on similar products from other brands. It effectively removes black stains and mineral deposits caused by calcium, magnesium, and iron in water, which may appear as rust-like dots, milk-white or rainbow-colored patches, or white suspended matter. Although these stains do not indicate corrosion or damage to the boiler, cleaning with citric acid every 23 months or whenever mineral buildup becomes noticeable helps maintain hygiene and optimal performance. Each pack contains 30 g × 4 easy-to-use single-dose compartments.
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