Monthly Archives: May 2022

The newest fish pond water is still clean after over a year with 3 fish in the pond.

Posted on May 31, 2022 by filter_guy
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Biological slow sand water filters remove over 99 percent of nanoplastics

Posted on May 31, 2022 by filter_guy

Read the info at this link: https://techxplore.com/news/2022-05-treatment-efficiently-nanoplastics.html From the article: “Both in laboratory tests and in a larger test facility located directly on the premises of the Zurich Water Works, the biologically active slow sand filter was the most effective … Continue reading →

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