Berkey is kind of a scam: https://www.nytimes.com/wirecutter/reviews/big-berkey-water-filter-system/ https://www.nytimes.com/wirecutter/reviews/big-berkey-water

Berkey is kind of a scam: https://www.nytimes.com/wirecutter/reviews/big-berkey-water-filter-system/ https://www.nytimes.com/wirecutter/reviews/big-berkey-water-... > But in our test on chloroform, the Black Berkey filters performed poorly, lowering it by just 13% in our test sample > New Millennium Concepts, however, claims—right on the box the filters come in—that the Black Berkey filter reduces chloroform by 99.8%, to “below lab detectable limits.” > However, he said that they stopped meeting the NSF removal standard after approximately 1,100 gallons of filtering—barely more than a third of the 3,000-gallon lifespan New Millennium claims for the Black Berkey filters.