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Karen wrote:
 
>Hmmm... seems this guy is confusing his pony bottle for a stage bottle.
>Never the twain should meet (unless you have air in both). Why?
 
>At EAN40, his MOD (maximum operating depth; the depth at which his PPO2
will
>rise above 1.6 and he will convulse and die a horrible twitching death :)
>is only 98 feet. With a 1.4 safety factor (since if you're using a pony,
>you're by definition working pretty hard), he should only really use his
>stage/pony at 82 feet.
 
 Wow!!! You got a lot more from a simple statement then I did. Now I'm
really confused. How do you distinguish a pony from a stage bottle?
 
Walt