1. linusbert

    video: Increasing oxygen in cells

    the video title is more promising than the content actually delivers. but the testing method mentioned in the video is quite interesting, maybe be can do some community benchmarks. my result now is 15. though i get in stress after 10... so my co2 acceptance is garbage. test is as follows: - 3x...
  2. maddietod

    CO2 meter

    I bought an Aranet4 CO2 meter to test air freshness on an upcoming train trip. The meter is used as a proxy for COVID contamination; an air exchange rate giving readings under 800 is best. The literature says that over 1000 CO2 ppm, people start having cognitive problems. I tested the 2...