Posted by Jeff B? on March 22, 2001 at 07:07:40:
In Reply to: Re: Rec tri mix cert. posted by MHK on March 21, 2001 at 15:47:04:
What is it that makes CO2 harder to build up on He? Is a function of the gas itself or the fact that your working less to breath a function of it? I cant see it being a function of the gas itself.