Quote Originally Posted by patpicos View Post
I worry more about CNS loading than OTU.

To reduce CNS load, made your last stop at 10' rather than 20' where the cave allows.

Some cases, dial down the ppo2. 30% in ginnie Starts to load your CNS for long dives.
Just curious, why are you concerned about CNS? Personally I don't really pay attention to that.