Each set of four PF-4™ filters is will last for 1,000 gallons or six months, whichever comes first. The reason for the six-month limitation is that the carbon within the PF-4™ filters extracts contaminates that can be nutrients on which bacteria can grow. If the filters are used longer than six months, “grow-through” can occur.
Articles Tagged: Product
What is the life of the Berkey PF-2™ Elements?
Each set of two Berkey PF-2™ Elements will last for approximately 1,000 gallons of water.
Do the Berkey PF-2™ Elements replace the Black Berkey® Purification Elements?
No the Black Berkey® Purification Elements fit into the base of the upper chamber with the threaded stems of the filters protruding through the holes in the base of the upper chamber. The PF-2™ filters screw onto these threaded stems so that the Berkey PF-2™’ Elements hang down into the interior of the lower chamber. The water […]
Do your Black Berkey® elements and Super Sterasyl™ Elements reduce fluoride in the water?
No, in order to reduce fluoride in your water, you will still need to use post filters that work in conjunction with the filters in your system. We have two types of post filters: the Berkey PF-2™ Elements which are used in conjunction with the Black Berkey® purification elements, and the Berkey PF-4™ Elements that are […]
Do the Berkey Light® systems contain BPA?
In the past the Berkey Light® systems were made of food grade polycarbonate that was approved by the US Food and Drug Administration. Some research suggests that polycarbonates have been known to leach BPA (Bisphenol-A) when either exposed to High Strength Industrial Grade Alkaline Detergents or when they are repeatedly exposed to temperatures in excess of […]
Do the Super Sterasyl™ Elements remove beneficial minerals?
No, the unique ceramic filtering system reduces unhealthy organic chemical contaminants and impurities while leaving in most of the beneficial minerals your body needs.
How do I determine when the Super Sterasyl™ Element must be replaced?
Replace the elements when the carbon has been exhausted or if there is a significant change in diameter of the ceramic after cleaning. Anytime a crack in the ceramic occurs, the integrity has been lost and the filter must be replaced.
What is the most convenient method for filling up the upper chamber of my system with water?
Most people use a pitcher to pour water into the upper chamber; however, if you have a spray hose on your sink, using it to refill the system is a very convenient method.
Can I use the Berkey® system with softened water?
The Black Berkey® purification 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 purification systems on a regular basis by bypassing your water softener to […]
What is the Micron rating of the Black Berkey® Purification 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 rating […]