Resource A compilation of all the tests I’ve found run on carbon monoxide (charcoal burning method)

[rolltheblunt]

 

[Otter]

A ppm chart for co

 

[Soul]

That array looks very trippy. Thanks for collecting and posting it all.

 

[Jumper Geo]

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I might combine the charcoal bbq with the SN method in a tent somewhere. I really don't want to fail.