No. The activated alumina in the post filter media is not treated with cyanuric acid, nor does it contain any cyanuric acid in the media. For more information about cyanuric acid, click here.
Monthly Archives: March 2015
There is a bubble that forms on top of my Berkey PF-2™, near the area where it attaches to the Black Berkey® Element in my system. Does this mean it is not working properly or needs to be tightened more?
The elements can be adjusted by either turning them more revolutions or less. If the elements are screwed on too tight, the screen within the post filter can become damaged. This will not negatively affect the performance of the element. The only purpose for the screen is to keep the media within the element during […]
I heard that it is recommended to replace my Berkey water after three days. Is this true if it is refrigerated?
We do recommend replacing your Berkey water after three days. If the water is in a cold environment, the length can be extended to a week. This is a conservative estimate for caution. The reason for this is because when you filter your water, the chemicals that inhibit bacteria growth are removed. In more humid […]
Why do your instructions say : “Do not allow filter to freeze?”
We strongly advise against freezing your elements as a general rule of caution. We also advise against storing the elements (even unused) in sub-freezing climates. The concern with freezing the elements is that any cold or freezing water will expand inside in the element, thereby increasing the pore size and ruining the element. Whether the […]