/* */

Choosing the Right Berkey


Each Berkey® system consists of an upper and lower chamber. Water is poured into the top chamber, where gravity pushes it into the filters. The purified water collects in the lower chamber, where it can be dispensed through a spigot.


Berkey® offers six different sized stainless steel systems and one Berkey® Light system constructed of non-BPA copolyester. When choosing a system, please consider the following: how many people (and pets) will be drinking the water, how much space you have in the kitchen or area where it will be used, and whether the system will be used for sustained or emergency use. Please keep in mind that the larger the system, the less often it will need to be filled.


We carry two types of filters; the Black Berkey™ Purification elements and the white Super Sterasyl ceramic filters. All of the Berkey® systems come standard with two Black Berkey™ purification elements or two white Super Sterasyl filters. The Black Berkey™ elements or ceramic filters are placed in the top chamber of the Berkey system. If you add additional elements or filters to your system, this will increase the flow rate of the water from the top to the bottom chamber. Please note that the purification quality of the water does not change by adding additional elements/filters, but it will increase the speed and volume of water that can be purified. Flow rates are calculated with the upper chamber full to the top. The flow rate decreases as water level declines. As it is impractical to keep the upper chamber completely full at all times, the flow rates are in practice less than the stated optimal rate.


If you want to reduce fluoride in your water, you will need to use post filters that work in conjunction with the filters in your system. We have two types, the PF-2™, which are used in conjunction with the Black Berkey™ purification elements, and the PF-4™ filters that are used in conjunction with our ceramic filters.

About the Berkey FAQ Knowledge Base

The knowledge base was created as a service tool for our visitors’ most frequently asked questions. Please use the search tool above, or the service categories list on the right side of the page to locate answers to your questions. If for some reason you cannot find the answer to your question,  please click the “Ask a Question” link in the top right corner of this web page and complete the form to send the request to us. We will get back to you promptly and we will always consider adding your question(s) to the Berkey Knowledge Base. Thank you for your interest in the Berkey!