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On Thu, 9 Mar 1995, A.Appleyard wrote:

> Richard Pyle <deepreef@bi*.bi*.Ha*.Or*>
> > When considering costs of *ALL* expendables/replaceables (helium, oxygen,
> > sofnolime absorbent, batteries, oxygen sensors, O2-compatable lubricant,
> > betadine solution, and even cable-ties :-) ) we find that we pay
> > approximately US$10-12 (retail prices) per hour of use....
> 
> That $till $ound$ expen$ive. How does that compare with the equivalent cost of
> the same duration of open circuit air (aqualung) diving at the same place?

Open Circuit trimix dives cost anywhere from $100-150 per dive, which
usually consists of about 20 minutes bottom time and 1.5-2 hrs
decompression (@275fsw).  The same 20 minutes bottom time would be less
than 40 minutes decompression (conservatively), so Open Circuit costs about
ten times as much.

Aloha,
Rich


deepreef@bi*.bi*.ha*.or*

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