The Big Berkey Water Filter System: Uncertified and Inconvenient
Updated Dec 11, 2022
The Big Berkey Water Filter has a strong following. And in the years we’ve spent researching the best water filter pitchers and the best under-sink water filters, we’ve been asked about the Big Berkey several times. Its manufacturer claims the filter can remove far more contaminants than other filters. Yet the Big Berkey is not independently certified to NSF/ANSI standards, like our other filter picks are.