What's the Deal with Those Hella Expensive Berkey Water Filters? — Shopping

Perhaps you've seen ads for Berkey water filtering systems and wondered why they're so darn expensive? More than $600 for a water filter? Do they do something that no other filter can do? Can they turn water into, uh, gold?

Curious to find out the deal with them (and if the price is justified), I did some homework and called experts from major testing labs. Here's the story.

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