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Fernox 2Kg DS-3 Limescale Remover is ideal for the removal of baked-on limescale deposits from domestic appliances and boiler heat exchangers. After each application the product changes colour to indicate when DS-3 is exhausted and ready for disposal to foul drain. It should not be used with thin gauge or badly corroded aluminium, zinc, galvanised steel, acrylic (e.g. plastic kettles and baths) chromium plated or enamelled surfaces (e.g. baths), concrete and asbestos.
