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irish1958 · 11-01-06, 09:25 AM

It doesn't make any difference what the O2 level is; if the CO2 level is high enough, it's toxic.
I have always wondered: why can't the sub exhaust the stale air with the compressed air?

11-01-06, 09:25 AM	#6
irish1958 Ocean Warrior Join Date: Apr 2005 Location: Carmel, Indiana Posts: 3,250 Downloads: 320 Uploads: 11	CO2 level It doesn't make any difference what the O2 level is; if the CO2 level is high enough, it's toxic. I have always wondered: why can't the sub exhaust the stale air with the compressed air? __________________ Irish1958