Why do the log reduction levels differ for varying Berkey® element tests? Some laboratory results show testing to greater Log reduction (example: 99.9% vs. 99.99999%) than others.

“…The quantitation limit of an individual analytical procedure is the lowest amount of analyte in a sample which can be quantitatively determined with suitable precision and accuracy. The quantitation limit is a parameter of quantitative assays for low levels of compounds in sample matrices, and is used particularly for the determination of impurities and/or degradation products…”  REFERENCE: […]

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Does the Berkey Light® crack?

This is not something that happens very often. However, it is possible that if there is excessive pressure put on the spigot it may cause stress fractures. There would need to be a great deal of strain or force put on the Berkey Light® for it to crack.

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Berkey Light® XRP & VPP Plug Changes

New Millennium Concepts, Ltd has made a change in the plugs utilized in the Berkey Light® systems. We have slightly enlarged the element holes in the upper chamber of the Berkey Light® system. Accordingly, we have also slightly increased the diameter of the blocking plugs. To view detailed information about this change please click here.

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Are the Black Berkey® Purification Elements NSF certified?

NSF certifications are not required but rather optional. In our opinion, NSF certifications are limited in their application with respect to our gravity fed purification elements. NSF Standard 42 (aesthetic effects) and Standard 53 (health effects) would specifically  apply to our purification elements. NSF Standard 42 covers systems “designed to reduce specific aesthetic or non-health-related contaminants […]

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