3 ms·
What's your opinion of the other comment in this thread pointing out the NIEHS study "Is CO2 an Indoor Pollutant?", which concluded that even going from 600ppm
by nathan-wailes 3y ago
What's your opinion of the other comment in this thread pointing out the NIEHS study "Is CO2 an Indoor Pollutant?", which concluded that even going from 600ppm to 1000ppm made a difference?