Do the Black Berkey® Purification Elements have silver in them?

Yes, silver is used as an antimicrobial to self-sterilize the Black Berkey® elements. Testing was conducted both internally and by Analytical Services, Inc. to insure that the silver used does not leach into the purified water. “All controls samples, including stock samples, analytical positive and negative controls, and the negative control collected prior to seeding […]

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