This invention describes an under-the-counter system that purifies tap water in several steps. First, it removes sediment and pollutants, then uses a reverse osmosis membrane to filter out tiny impurities. The purified water is stored in a tank, and when dispensed, it passes through a carbon filter, has beneficial minerals added back, and finally goes through an electrolytic cell before being consumed.
Why it matters: The cost and efficiency of reverse osmosis membranes and electrolytic cells have significantly improved since 2002, making multi-stage home water treatment systems more practical. Consumer awareness and demand for water remineralization and pH optimization have also increased.
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