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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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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Will the Black Berkey® Purification Elements remove kerosene?

Petroleum based products are some of the easiest to remove from water. The Black Berkey® Purification Elements have been tested to remove the following petroleum contaminants up to 99.9%: Gasoline Diesel Crude Oil Kerosene Mineral Spirits Refine Oil For complete lab results on the Black Berkey®Purification Elements, click here However, please keep in mind that it […]

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Do your filters take out plastic from the water?

There are various plastic materials that can be leeched into water and the most common are BPA ( Bisphenol A) and 1,1-Dichloroethane (11-DCA). The Black Berkey elements have been tested  to remove both of these plastic materials. Please refer to our lab testing results by clicking here

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Water Quality

Drinking water quality is critically important to good health. Ideally, drinking water should be wholesome, physically attractive, and free from all harmful organisms and have a chemical content which will promote the health of the consumer. The finite amount of water on the planet participates in a recycling scheme that provides for its reuse. This […]

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Super Sterasyl™ Elements Test Results

Please find links below to independent test results of the Super Sterasyl™Ceramic elements:   British-Berkefeld-Klebsiella-Reduction-Test-Report British-Berkefeld-EColi-Reduction-Test-Report British-Berkefeld-Chlorine-Reduction-Test-Report British-Berkefeld-Cryptosporidium-Reduction-Test-Report

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