The science behind fouling involves several physical, chemical and biological interactions that can clog or block the filter ...

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Looking to enhance your shower experience with a showerhead filter that eliminates unwanted minerals? CNET's top picks are all you need. Caroline Roberts writes articles and notifications for CNET.

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That's why we've gone the extra mile to identify the best filtered water bottles, rigorously testing the top models available to ensure that they meet your needs for filtration, insulation and more.

Nick Anderson cartoon on alleged ISIS link to the New Orleans attacker.

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