How does the filter element in the Berkey® system deal with viruses?

The micro fine pores are so small that they prevent micro fine particulate such as bacteria, viruses and even food coloring particulate from passing through the tortuous path that water is able to pass through. These contaminates are trapped in the micro fine pores while the much smaller H2O molecules are not. This method separates […]

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How can I tell if my filters are working correctly?

The Black Berkey™Purification elements are powerful enough to remove red food coloring from water. Performing a red food coloring test on your Black Berkey™ Purification elements allows you to ensure that your system is operating properly. GUIDELINES We recommend this test be done upon first use, and then every three to six months to ensure […]

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Can I use the Berkey® system with softened water?

The Black Berkey® purification elements are designed to remove heavy metals, but will not remove mineral salts, which are added by a water softener. The salt used to soften water will not be extracted by the  Black Berkey® element. You can use one of our purification systems on a regular basis by bypassing your water softener to […]

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What is the TDS reading of the purified water?

A TDS meter does not register much of a change between the pre-filtered water and the post-filtered water. This is normal, and the answer has to do with what a TDS meter actually measures.  According to tdsmeter.com, “Total Dissolved Solids (TDS) are the total amount of mobile charged ions, including minerals, salts or metals dissolved […]

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What should I do if the flow rate in my system is very slow?

If you just purchased your Berkey® system and the filters are hardly filtering water, the problem is typically due to high water tension. This high water tension prevents the air from being purged from the micro pores of the new purification elements. Your Black Berkey™ elements need to be primed to purge this air out […]

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What is the Micron rating of the Black Berkey® Purification Elements

With respect to the micron rating, NMCL does not use or publish a micron rating for the Black Berkey® elements for the following reasons: There is much confusion with respect to nominal and absolute micron ratings. An absolute micron rating is one that states the maximum pore size expected within an element. The nominal micron rating […]

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