mala
Contributor
if the op didnt want helium then tdi are good for 183ft on air.
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But I'm a girl so my concern is more about knowing the end of the story rather than trying to tell you what you should have done.
I'm looking to get into tech diving. I am an experienced dive master looking to go deeper and expand my dive knowledge. I have done all my training through PADI but TDI seems to be a popular choice for Tech courses. So I'm just curious as to what experienced tech divers consider to be a better option. TDI or PADI? I am not interested in doing trimix.