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A comment on Indoor CO2 may reach levels harmful to cognition by the end of this century. Parent comment

Re:Indoor CO2 may reach levels harmful to cognition by the e... by throwaway3neu94 on Saturday September 19, 2020 @12:37PM (#24528632)
They should go down to 400ppm because the periodic autocalibration which is on by default assumes the lowest level seen in 24 hours is 400ppm.
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