Megalomegalodon
Registered
I'm looking to buy a safe second. I have a Zeagle BC and an Atomic reg. I've narrowed it down to the Octo-Z and the SS1. Price difference is about $40.00.
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I am a great fan of the ergonomics of integrated inflators/octos: we've been diving Scubapro AIR2's for 20 years, have been in a few OOA situations both ways, and never had any issues worth reporting. I particularly like the inflator mode, so much more powerful than the norm that when I don a rental BC, I always wonder if the standard inflator is broken.
Worth noting that the OP asks for the difference between the Octo-Z and the SS1.
There is no down-side to a traditional octo. None what-so-ever...