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Does anyone have experience with Poseidon Cyklon 300 regs?  I am primarily
concerned with reliability, free-flow tendency, and maintenance cost.

I have been offered an older model oxygen-clean Cyklon 300 reg. for US $175.  I
would like to use it for a stage bottle when diving mix (I already have a clean
Scubapro for the other stage).  I now own and dive with two Poseidon Odins, and
am very happy with their performance and reliability - but they are also under
Poseidon's free parts warranty, so I don't worry much about maintenance
costs.

Pros:

- Cyklons 2nd stages aren't directional, and can be used on either a left or
right stage bottle without hose twisting.  They also can be tucked into a 
surgical tubing loop at the stage bottle neck, for ease of stowing.
- The Cyklon purge button isn't easily depressed when the reg is bunged against
the stage.
- The first stage has a DIN fitting, which is good for reliability.
- Poseidon is the only manufacturer (in the US at least) that promotes use of
other gases than air with their regs.
- The price is good (O2 cleaning runs at least $40 here, and converting a
non-DIN reg to DIN is another $40-50).

Cons:

- Cyklons have a reputation for freeflow.
- Cyklons are expensive to overhaul.
- The 2nd stage has no desensitizing switch.

Any suggestions/recommendations from netland are appreciated.

John

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