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>Should I get a 5m or a 7m long hose? This is for open water diving: I
>don't ever plan to do deep wreck penetration. For a 7m hose how do I
>stow the extra length when wearing a jacket rather than wings? Any
>particular make of hose?

5ft is fine for ocean diving, wreck and cave dictate 7ft (2.10m approx.)
The extra length can be tucked away in your waist belt. The make is not
that important. I use Scubapro and Halcyon hoses, both are fine.

>What about the backup reg - I've been told the ScubaPro Mk20/R380 is
>fine.

Why not use your R190 in combination with a MK20??? (since you have one)

>Should I replace my tank valve and use two first stages? Or use one
>first stage with the existing pillar valve? 

Depends on your dive. For no-deco, regular single tank diving there is no
need for redundant first stages. One is sufficient.

-if you don't need it, don't take it-

Regards,

THOMAS

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