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true redundancy

Thread Status: Hello , There was no answer in this thread for more than 60 days.
It can take a long time to get an up-to-date response or contact with relevant users.

rfondren

New Member
Aug 10, 2005
17
4
0
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I was very excited @ the prospect of getting a steel tank w/ h-valve, in the belief that I could shed my 19 cf pony. Further research however, indicated that the spectre of blown neck o-rings and/ or burst disks is still with me when diving one tank. I often dive alone to 135 ffw using an al80 and the pony, and was curious about how to take more air without springing for steel doubles. Should I : 1. get the single steel with h-valve ? 2. just get another aluminum 80 and double them w/ iso manifold or for that matter seperate doubles? 3.get a higher-cap steel without h-valve and continue using pony as bail-out bottle? Any help is appreciated.
 
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