---Rapid action formula: The Fernox Ds40 system descaler features a rapid action formula. This means it works quickly to dissolve limescale, rust, and other similar deposits, improving efficiency and performance of your heating systems within hours of application. ---Safe for metals and alloys: Fernox Ds40 is non-corrosive and safe for use with metals commonly found in heating systems. These include steel, iron, brass, copper, and plastic components, ensuring that it doesn't cause any further damage while cleaning your system. ---Eco-friendly: As a market leader in environmental responsibility, Fernox offers an eco-friendly solution with the Ds40. It contains no harmful phosphates or phosphoric acid and is biodegradable, so you can keep your heating systems clean while minimizing your ecological footprint.
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