Interesting setup, what size are those tanks, and how balanced do they feel in the water? I have a 32lb Mono, and use it for single-tank diving. I also have a manifolded pair of HP100's and a an Apeks 45lb, but the dual-HP100's are really too big for my needs most of the time. I have been thinking about using the 32lb OMS Mono + a pair of double LP50's, or possibly AL50's if I can find them.Here's an OMS Mono 32
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See
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I'll bet you didn't see that
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Let torture on the rocks begin