Weight and doubles

[Subcooled]

Thanks in advance, to clarify I already use 2 first stages in cold water, so that is not that much of an addition, however the manifold comes extra.

Cylinders also have valves and they do weight a bit.

 

[happy-diver]

Go and do your dives without changing your configuration, and feel these dives
Change stuff around when you have felt these dives and figured what to change