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    Philips Support

    Why does filtered water still produce scale after boiling?

    Published on 2019-08-10
    This Philips Water Purifier still retains minerals beneficial to human health. The scales produced after boiling are natural precipitates of boiling minerals, which have no effect on human health. Please trust and use with confidence.

    The information on this page applies to the following models: WP4111/90 , WP4141/90 , WP4161/90 .

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