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#life found out that I’m sleeping at 2300ppm co2. started at 507ppm and in 6h it was 2300ppm. Without fresh air source it’s very bad. Try to open window next time 😱
sleep with open windows with ppm 450-550 #life
Hack hotel aircon because it's too hot and technician is not available on weekends #life
Work with awesome air quality
OMG, 5621 CO2 ppm after one night of sleep