Coffee Experiment: Chemex Filters vs. Double Hario Filters Brewed in a Hario V60

Chemex filters vs. Hario V60 filters

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Last week, I conducted an experiment to see if Chemex filters could be used in the Hario V60. More specifically, I wanted to see how the coffee brewed using Chemex filters via the V60 compared to coffee brewed with the Hario 02 natural paper filters via the V60.

Confused? Don’t worry, I am too.

Basically, I brewed two cups of coffee in the Hario V60 using two different filters with each brew. That’s the simple version.

Spoiler alert: the Chemex filter won

There were certainly differences amongst both cups of coffee. The V60 filter produced a cup of coffee with more body and aroma, but poorer overall flavor when compared to the Chemex filters.

So if you own a Hario V60, why not just buy the Chemex filters and call it a day?

Not so fast, gumshoe!

Those Chemex filters aren’t cheap…and we still need to test some things. Specifically, how would two Hario 02 filters nestled within each other compare to the Chemex filter by itself?

This is the experiment I decided to run next:


Granted, there are so many variables at play when brewing coffee, but the fact that the double Hario V60 produced the winning cup of coffee was a really interesting result (if you ask me).

Yes, this is a small sample size.

Yes, the brews weren’t completely and totally identical.

Yes, one cup of coffee may have been slightly hotter than the other cup.

But to be honest, does this really matter?

The reason I don’t think it matter that much is because there is actually a lot of randomness when it comes to making coffee, given all the variables at play (as I mentioned earlier).

The major difference between these two cups of coffee was not the coffee, not the grind, and not the amount of water (or its temperature). It was the filters.

If I ran this experiment again and/or on others, would two Hario V60 filters win 100% of the time?

Absolutely not. But the fact that using two of these filters has the potential to beat out a cup of Chemex-filtered coffee if enough for me to tell you that Chemex filters are not a requirement for great pour-over coffee.

We’re not done here

So far, with the exception of the Chemex vs. Hario V60 showdown, I’ve only conducted this experiment in the Hario V60.

This isn’t good enough.

Next up, I’ll be shifting this experiment to the Chemex coffee maker itself, where again we will test these two filters against each other.

I’d love to hear your results

Small sample sizes kill the validity of my experiments. I wish I had more people to test with, but the truth is that I conduct most of these experiments at home during typical 9-5 working hours (when I’m drinking plenty of coffee).

If you have both of these filters on hand, I’d love for you to conduct this experiment and report your results in the comments below. I will update the post by publishing your results.


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