@ snakey post #8............
!misinterpretation of my post......what I MEANT to say was that. "It is a common misconception that Divers carry Oxygen cylinders on their back". When in fact most of the time it is air in the tanks
I know only too well about Pulmonary oxygen toxicity , OTUs, hypoxia and Hyperoxia., partial Pressures etc etc
I lost a good mate due to switching to too rich an Oxygen mix at a bit too deep a depth....he convulsed, lost his Reg and drowned!
This is the trouble with t'internet, it is open widely to misinterpretation.......and as i tend to wander off at the drop of a spacemans helmet my posts sometimes have little or no connection with the original!
Sorry for the misunderstanding
Just digressing
Sorry Kerch, a bit of a misunderstanding on my part also then!
Peace man.