I think you should always 2 second stagfes on your main tank, but a lot of people prefer #2 be on their low pressure inflator hose to eliminate on hose. That still counts as #2.
DivemasterDennis
DivemasterDennis
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Guys. Forget the pony bottle!!!!!! Purchase a steel 95 and put an "H" valve on it.
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I tend to dive with a normal reg setup plus pony (3 second stages). Its personal preference based on
1) Small pony bottles are limited and having the option to share off the main tank is nice.
2) I value a consistent setup over the small advantage of eliminating the extra 2nd stage.
3) My personal setup keeps the pony's 2nd separated from the safe second.
Dennis, you just reminded me that a LPI (without an AIR2 type reg) can still be used as a regulator (manually controlled), so I would say sometimes I have three regs on my BG
Guys. Forget the pony bottle!!!!!! Purchase a steel 95 and put an "H" valve on it.
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1) I can't pack a steel 95 on a plane
2) It is only partially redundant
It is a solution for sure, but not ideal for me. I like having a 100% redundant, totally isolated package of breathing gas, and I combine diving and traveling monthly. The old H valve literally does not fly.