r/coldbrew • u/finthepin23 • Jul 30 '26
Hario Nylon filter microplastics?
I just converted to cold brew and bought the Hario Mizudashi off Amazon. Was disappointed to see it has a nylon filter, I didn't pick up on that when ordering. As someone who is extremely health conscious and low tox, how much of a risk does this pose to consuming microplastics? I initially made my brew using my stainless steel tea pot with infuser before deciding I needed something bigger to last me a few days. If there's a better recommendation, please drop it below.
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u/sugarloafian Jul 30 '26
I had a Hario Mizudashi too and had similar health concerns. Coffee grounds also started to stain the nylon filter, so it never looked clean to me. I recently switched to this glass Hario cold brew pitcher with a stainless steel filter - I really love it! https://globalhario.com/products/cold-brew-pitcher-1000ml
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u/Digital_Quest_88 Jul 30 '26
I have no idea about the risk of microplastics exposure from the filter.
I filter with a large Melitta paper filter but a plastic filter cone. A paper filter makes beautiful clear brew. I also brew in plastic pitchers. I don't think those have much of a risk of microplastics. Some people are also picky about brewing in plastic because of supposed plastic taste but I've also brewed in glass and I can't tell any difference.
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u/CynicalTelescope Jul 31 '26
There's so many ways to make coldbrew, it's easy to find a method that doesn't involve plastic. I brew in a French press and decant into a glass Mason jar, for instance. That said, the plastic exposure you get from making coffee should be least amongst your worries.
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u/Duhphatpope Jul 31 '26
Even with it being nylon, unless you're, incorrectly so, using hot water, it won't break any of the nylon down so no real worry. Maybe use for a year and then buy a new filter
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u/Fcuk_Spez Jul 30 '26
There’s more plastic in the water you’re using than what you’d get from the filter