Posted by AADIVER on August 06, 2001 at 12:15:00:
In Reply to: Re: Nitrox question - non O2 cleaned cylinders posted by MHK on August 06, 2001 at 11:46:50:
"Says who????"
IANTD and ANDI and common sense. Also, there's not a shop in the land that will fill a non dedicated/cleaned tank if they have to first fill with pure O2, then top with 21%.