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I am planning some deep (270-300+ fsw) North Atlantic wreck dives this summer.
 From some initial calculations, it is clear that the deco gas logistics are
going to be tricky.   I'd like to carry all my deco gas, since vis may be low
and getting back to the anchor line isn't assured.  I'd prefer not to carry
more than two stage bottles, ideally of reasonable size (OMS 121s aren't
reasonable).  Surface supplied gas or stage bottles are OK for backup, but I
don't want to rely on them.

I know there are some on the list with wreck experience in this depth range,
e.g.,  Lusitania; if you can share some of of your gas staging approaches I'd
appreciate it.

John
Heimannj@ma*.nd*.gt*.co*
IANTD Trimix #355, NSS-CDS Full Cave #39541, etc.

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