Two stage regulator?A CO2 generator is basically a small fire that generates CO2 as its exhaust ... burn rate equals generation rate.
I would not put C)2 into a propane tank ... it will exceed that tank's burst strength. Though it'd be an awesome practical joke for a friend's barbecue.
Welding shop is a good source for CO2. You'll also want to budget for a two-stage regulator. cn
Two stage regulator?
This is the only way I know how to get URL's for these images.