Berkey Light with 2 Black Filters

I question where some of these reviewers got their information about performance tests. Check out .

On one of the tabs you'll find analysis results.

The FAQ page says: "There are simply too many varieties of pharmaceuticals that could end up in drinking water. By too many I mean it is impossible to test for them all. However, we do know from testing, that the purification process used by the Black Berkey elements remove more pollutants than any other system available on the market today." It also describes a test you can do by adding red food coloring to the water to be sure the filter is working. Any filter that will remove red food coloring has to be pretty effective.

Regarding the high TDS rate one reviewer mentions, the FAQ page says, "Berkey purification systems do not remove the beneficial minerals from the water but they do extract harmful heavy metals such as lead and mercury as well as sedimentary minerals such as iron oxide. Therefore, the TDS (total dissolved solids) reading will not typically change much unless there are a lot of heavy metals or sedimentary minerals in the source water."

About viruses, the FAQ page says: "Berkey is the original North American distributor for British Berkefeld, a company who makes the finest ceramic water filter available. These ceramic filters are excelent at removing harmful bacteria from sediment heavy, contaminated drinking water. It soon became clear to Berkey that a more powerful filter was needed, one that not only removed bacteria but was also in addition able to remove chemicals, viruses, heavy metals fertilizers and a long list of additional contaminants from your drinking water. After many years of research Berkey developed the Black Berkey purification element. This filter gives you all of the benifits of the ceramic filter with the added abilities mentioned above. Black Berkey purification element signifigantly raised the bar to a level that no other gravity flow water filters are curently able to attain."

These filters are used all over the world by aid agencies. You won't find any filter on the market that will purify better. Certainly not simple charcoal filters like Pur. On this page: it explains that a water filter has to remove 99.99% of pathogenic bacteria. To be sold as a "purifier" it has to remove 99.9999%. "All Berkey systems that contain the Black Berkey elements are classified as water purifiers. In fact Berkey Water Purifiers remove 99.9999999% (log 9 reduction) of pathogenic bacteria. To our knowledge no other water filtration device in the world can match that claim."

I have had a Big Berky for 2 months, due to a cancer diagnosis my treatment plan requires drinking pure water with no added fluoride and no residual agrotoxins, etc. The Berkey filters were the best solution I could find of anything on the market and we're loving the water and quick and easy system.

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