Can I use the Berkey® system with softened water?

The Black Berkey® 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 filtration systems on a regular basis by bypassing your water softener […]

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What is the TDS reading of clean drinking 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 is the Micron rating of the Black Berkey® 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 […]

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