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Water Filters and Microplastics

Question:
Do water filters remove microplastics from tap water?
Water Filters for Microplastics -- water filter pitcher pouring water into glass
Answer:
Plastic pollution in drinking water is a growing concern, with recent studies finding much of the world's tap and bottled water to be contaminated with small bits of plastic known as microplastics. Traditional water filters can remove heavy metals like lead and mercury, microbial contaminants, particulates such as sand, and some filters may help to remove certain industrial chemicals, herbicides or pharmaceuticals.

We have not yet tested common, above-the-counter filters such as Brita, Pur, Propur, and Lifestraw to determine their abilities to remove microplastics from tap water. However, based on a review of their claims and filtering abilities, they should be able to clear substantial amounts of microplastics. More sophisticated filtration systems are necessary to more completely remove microplastics from tap water. See the full answer for details.

Learn More About Microplastics:



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COMMENTS

Maia18050   June 15, 2019
FYI: Berkey responded
" The microplastics have not been tested for so we are not able to say if they are removed or reduced or not, however the pore structure size of the microplastics are around 10 and the Berkey filters pore structure will trap anything larger than a 2 so they are more than likely being removed but we can't say for sure. Below is a list of all of the contaminants that have been tested for and what is removed and reduced and to what level. If you have any more questions please let us know."
Kindest Regards,
Jennie

Charles18035   June 12, 2019
How well would a more expensive above-counter filter, such as the Berkey, filter out these particles?

Sharon18049   June 15, 2019
Berkey states they remove viruses down to 24-26 nanometers which would be smaller than the microplastics, so logic would lean toward yes, Berkey does filter out microplastics. The other side of that is that I have not seen any studies showing the black Berkey filter and it's effect on microplastics. Until that study is done, I don't think there is a black and white answer. I have seen Berkey filter water from a muddy creek and produce a clean drinkable product; however I sure didn't have a way to test for microplastics.

James R18024   June 12, 2019
I recommend a reverse osmosis unit for many health reasons yet the neatest is that over time a gallon of R/O filtered tap water costs about $0.10/gal. I use a glass 3L jug to store the water avoiding plastic bottles.

Catherine18034   June 12, 2019
James R18204, is there any certain brand of RO filter that you recommend? I've been thinking about getting one installed.

Laura18036   June 12, 2019
Consider AquaTru. It uses three different kinds of filtration including RO, doesn't require installation, and has great customer service.

Don18041   June 13, 2019
We have been very happy with this RO + filters system, but it ain't cheap ($252 on Amazon) and it does require undersink installation.

We have no financial interest in the product or the company.

Home Master TM Undersink Reverse Osmosis System .

Wendy18203   August 15, 2019
We had our well water tested before and after RO filtered and arsenic was removed. Was storing in plastic, will switch to glass.


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This CL Answer initially posted on 6/12/2019.
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