Sometimes in the confines of a class air gets you into deco quicker then work your skills on the accent and get back on the boat. The boat probably has recreational divers on it you can borrow some surface interval time from before on to the next dive site
Add: I dive the same dive like groundhog day all week. On air at almost precisely 90ft my hearing changes and I can feel a "sensation". I can vary between 80 and 100 and it goes on and off like a light switch. Thirty two percent buys me about 20-30 feet, it's much less pronounced. I've never grown a tolerance for being narc'ed, I just know I am and compensate accordingly.
I have a romantic love affair with Helitrox, that's another story
Add: I dive the same dive like groundhog day all week. On air at almost precisely 90ft my hearing changes and I can feel a "sensation". I can vary between 80 and 100 and it goes on and off like a light switch. Thirty two percent buys me about 20-30 feet, it's much less pronounced. I've never grown a tolerance for being narc'ed, I just know I am and compensate accordingly.
I have a romantic love affair with Helitrox, that's another story
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