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Callum <cb@oa*.ic*.co*.uk*> wrote:
>>What are the other UK divers using?  Have you ever had reason to fire a flare,
>>and if so, did it work?
>
>I have a whistle tied to the inflator hose of my bc.
>
>>a Dive Alert,
>
>What's the minimum tank pressure that a "Dive Alert" will operate and for how
>long?
>
>John
>

I don't know, but it seems to work all the way down, and it seems to use very
little air in the process.

Wrolf

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