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Posted by Tom Sparkman on May 10, 2002 at 11:50:15:
In Reply to: Oxygen in Co2 tanks? posted by
: I have heard that it is possible to fill up a Co2 tank with normal air.(oxygen). Will it work, and if it would, what would be difference between normal air and Co2? FYI, air is about 80% N2 and only 20% O2. You really can't use compressed air in a CO2 tank because it doesn't have a regulator. Also, CO2 tanks usually have a burst disc that blows at 1800psi, which won't give you enough shots to be worthwhile. If you want to used compressed air get a small HPA/N2 tank (I've seen the 45ci/3000psi ones for ~$100, good for several hundred shots). Tom