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My Cashido 10 second ozone anti-bacterial water-treatment machine

Ozone has been used over the past 150++ years for water treatment since its discovery by a German-Swiss chemist called Christian Friedrich Schönbein.A brief history of ozone usage in water treatment is as below:1886: The ability of ozone to disinfect polluted water is recognized in Europe.1891:...

By: ppfoong

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