Ironically on my last trip in April, my camera case leaked and I lost my camera.
On subsequent dives I always had plenty of air when it was time to come up.
Guess I was swimming around too much looking for my next photo opportunity.
I still end up vertical in the water when I’m not swimming, but I found the reason I was running out of air quickly.
I wen’t on the last trip on the best shape of my life. Had been doing hard-code Tabata workouts for 3 months prior. Fitness might have helped a little. But not having the camera seemed to show the way.