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OK. Can you identify a SINGLE skill in Fundies that needs to be performed anywhere near 100 ft (your original rational$
Fundies is done on 32% (but sometimes air or a hybrid). It'd be rare to go below 45ft in GUE-F. Are you done ranting about which you don't understand?
 
And while you're at it, where did JJ come up with the 100 ft He "rule". Some.dark recesses of his posterior?
Consider pulling your head out of a dark recess and reading some of the information provided to you before continuing to bang your drum.

It’s a clean number in both metric and imperial, keeps PO2 to 1.2-1.3bar maximum across the standard gasses, and aligns gas density of 32% (5.2g/L) with the best practice recommendations provided by experts in the field. The use of helium in standard gasses and the 30m/100’ limit for 32% keeps narcosis to a reasonable level with decreasing END as depths increase.

But if you had read even half of what’s been provided to you you’d know that already.
 
Some of us own and dive multiple CCRs other than JJs too! With non-standard dil! Heavens to Betsy!
And on Wednesday night dives I thought it was weird that they burn you in effigy at Cove 2, but when I learned of what you just admitted, it all made sense. :wink:
 
https://www.shearwater.com/products/swift/

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