but for example. I inject n2 and i dunno how much it is. is it your opinoin that by the time the n2 hits the collection it has basically pushed all the butane through? I seem to see alot of liquid flowing and my collection is seeing pressure even at 17 degrees with pure tane which means n2 is pressuring it right? I cant just run more and more n2 into a loop that goes to my recovery or can I? Im trying to learn- Long Term Cognitive Impairment with Cannabis Use - #6 by thumper