SWx



the machine must have been broken 








SnowWight wrote:It takes 72 hours for all the Carbon monoxide to go back to normal levels which is 0-6ppm (parts per million). Obviously you can breath in Carbon Monoxide from the air (from car fumes etc) so you wont always get a zero reading. I am lucky enough to live somewhere where there is little pollution. Tried the machine on one of our Drs who smokes and he set off the alarm on it.....over 20ppm. I think I scared him lol!
haha I've been running this place for over 2 years and I didn't know that
bobf279 wrote:Ha down to zero indeed i don't think sothe machine must have been broken
my best was 2 and when it went back up to 3 I decided to stop measuring it!!
But seriously very well done 4 days is a major achievement.


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