| Re: Low Volume/High Volume Masks Hello, I had the same problem when I started diving CC. I dont' know if I did the same thing on OC, or if the breathing difference in CC cause me to breath as I do on the surface. I don't think I've had a problem with nose breathing on OC, but it is possible that CC makes it more of a problem. In fact, my first non-instruction CC dives were extremely uncomfortable because of mask leaking issues. It appears I was relaxing enough that I didn't keep enough negative pressure in my mask and it leaked. I had to retrain myself and now things are usually ok. --p |