Brita Filter Slow Performance


I kept a log to see if my Brita filter slow performance was real or just my imagination. So far I have found the results to be clear and repeatable. Every advanced filter I have used in my Brita Pitcher has clogged after 6 to 10 gallons or about 2 to 3 weeks.

If I were filtering muddy water from a stream, these results would not surprise me at all. But I am filtering water I have distilled from Fort Collins, CO tap water. The city water has a very high quality, repeatedly ranking among the best in the US. I distill the water to remove minerals, chlorine, fluoride and most everything else that might be present. The Brita Pitcher is just the final polishing step in the process to slightly improve the taste.

What goes into the Brita filter is very close to pure water. And yet, somehow, the new advanced filters clog very quickly. The old filters never clogged. They kept working for up to 4 months and close to 100 gallons when I forgot to change the filter on schedule.

Brita Filter Slow Performance Video

Have a look at this video to see the progression.

Brita Filter Slow Performance Data

While I was logging the number of gallons filtered I also recorded the time it took to filter one quart of water. As the total number of gallons filtered increases, so does the time it takes to filter a quart. When it gets up to about an hour I know that by the next day the filter will be so clogged it hardly works at all.

This graph combines results from the two filters I tested at room temperature.

Loading chart…

Epic Water Filters

13 April 2018 – I’m testing an Epic Water Filters pitcher, which appears to be a superior product over Brita and I’ll post the results here on Helioza. Visit this link for a 15% discount on any purchase from Epic Water Filters. If you decide to buy an Epic product, I will earn a commission on your purchase. If you don’t, I earn nothing. I’m doing these tests because I am disgusted with Brita and think the Epic products will perform much better. Your discount should be automatically applied at checkout. If for some reason it doesn’t work, then just enter the discount code helioza on the checkout page.

Distiller Good Brita Alternative

The best way to end frustration with slow Brita Pitcher filters is to switch from filtering to distilling. A good water distiller produces pure water with virtually no contaminants. Bacteria cannot survive the distillation process and an activated carbon filter removes most chemicals that evaporate with the water.

Many brands and models are available. I have owned a Waterwise 9000 distiller for over twenty years. I bought a replacement unit a few years back when the old one finally reached the end of its life. I think it has been an outstanding health investment and I highly recommend it.

“Brita” is a registered trademark of Brita LP.


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Ray N. Franklin

Owner, SF Writer at Big Leaf, LLC
I've been an engineer, granola entrepreneur, and now a writer. I write science fiction and non-fiction. Helioza.com is the place to find my stories and SF news.
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6 comments on “Brita Filter Slow Performance

  1. Bob Oswald

    We use well water with high manganese content. With the old filters we would get probably 50 galons without significant slowing. Now, believe it or not, by the THIRD quart our filter has slowed almost to a stop. This is unacceptable, obviously.

    1. Ray Franklin

      That sounds like really terrible performance. I strongly suspect that the new filters clog quickly because of the top screen added to resolve an unimportant cosmetic issue (flecks of black activated carbon in the upper half of the pitcher). That screen is a perfect place to grow bacteria. With high minerals, it is possible the screens on your filters are clogging due to rapid mineral buildup along with the bacteria.

  2. Ernesto Cabanes

    I am experiencing the same issue and I am not happy about it.

  3. Pete

    The same problem occurred with my new “long” last filters. Never before have I had to watch the paint dry, but now watching the Brita filter water has more than successfully replaced the good old expression. No kidding!

    I appreciate your running experiments. I’m a bit too busy for such a minute approach myself, but I’ll tell you this: the top tank filled at 10pm, the water may or may not have gone through the filter by 6am the following morning. That should speak volumes.

    I understand that we live in too fast a pace and slowing down is oftentimes healthy, but this time around, Brita has crossed the line by taking this down below the extreme, bare minimum that even Buddhist monks would have a hard time adjusting to. This is truly hydration run dry. A bad, bad product and a complete waste of $$$.

  4. Jennifer

    I am experiencing the same thing. The new filters clog after a couple of weeks. The old filters lasted for months. I am fed up. I think I will switch to another brand and try Pur or something else.

  5. Eddy

    i am in New York city with great water, but to counter any possibke junk it the pipes, i use a Brita. I bought the advanced filter about 2 months ago. i have not even poured 20 gallons into it and it is now clogged. i filled the top reservoir before bedtime, awoke 6 hrs later and it was still not finished. There is something certainly wrong when the old filters out perform the new ones that are intended to last 3 times.
    How is this a saving me money?

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