isobaric

Following reading a recent post of diving the Arch in the Blue Hole at Dahab and watching the video in the post I was a bit confused as to why EAN32 was being used as the first deco gas. I decided to establish a new thread on this subject rather than hijack the original tread. From what I...

I'm planning a dive to 275 fsw, shown below, I would like to add an air break after 20 minutes of breathing 100%. I think my best option would be to use my travel gas, 21/35, on the air break, but this brings up the concern about isobaric counterdiffusion. My question is: is isobaric...