Zen clarifies that users must replace the mineral water filter every 6 months, or every 500 gallons, whichever comes first. That adds up to about 540 gallons each year. To write these comparisons, we arbitrarily chose an average household consumption rate of 1.5 gallons of water per day. ZenĪctive 8-Gallon countertop system $129.95īefore we can draw any conclusions about the costs of these two systems, we must factor in their longevity. Models and Costs Cost Comparison: Berkey vs. If one cannot determine how effective a filtration system is when removing contaminants from your water supply, then you simply have no reason to purchase that system. That’s a death blow to its credibility, as the primary reason why customers buy water filters is health. Zen simply isn’t in a position to make serious claims about how its product performs. Given the lack of information, and given the stellar performance of Berkey when compared to its competitors, one must conclude that it provides a superior level of water purification. However, it does not release the results of those tests to the public. And the company representative did indicate that Zen does conduct testing on its filters to gauge their efficiency. We do know that the pores in the charcoal filter are slightly smaller than most bacteria. We don’t know what kinds of pesticides, bacteria, or “man-made chemical” the company is referring to. Three phone calls and an email to the company provided no additional clarity. In other words, we have no specific information about this product. In the FAQ section of Zen’s website, one response reads as follows: “Although the filters in Zen Water System effectively reduce over 99% of bacteria, chlorine, herbicides, pesticides and hundreds of other man-made chemical, they do not remove fluoride.” However this response fails to reference any other part of the site where specific performance-based data are introduced. Zen does claim that its filters remove a number of impurities, such as pesticides, heavy metals, and chlorine, but it does not say what percentage of each is removed. Zen makes no specific claims on its website about what kinds of contaminants its filters remove. ** Zen’s website provides no specific information about what kinds of bacteria or pesticides/herbicides it removes at 99% efficiency. Although some of them were specifically tested for, none were found. * Berkey reduced chemicals in these categories to undetectable levels. Zen however, offers almost no data on its filter products. Zen: What Contaminants Do They Remove?īerkey’s website offers performance-related data for its charcoal filter element, and we have imported that data here. We make some interesting discoveries, and stay tuned to the end, as our conclusion might surprise you.īerkey vs. We will compare filter performance, price, and other factors, and arrive at a conclusion based on which product stands out. However, it hardly matters which system we choose to represent each company, as all of each company’s products use one filter. Both are countertop systems designed for domestic use. On this page, we compare Berkey’s “Big Berkey” system to the “ Active 8-Gallon ” system made by Zen. Purification removes contaminants to a much higher standard than filtration. Today we compare two companies: Berkey and Zen.īerkey makes a line of state-of-the-art water purification systems, not filters. Berkey vs Zen: Which one is the best for 2021?Īre you searching for a device to help you filter your tap water? Are you confused by the wide array of products at various price points with their different features and components? There are indeed many products to consider.
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