Still Kicking
Contributor
This may have already been mentioned but new divers are naturally excited to be underwater and their heart rate is elevated, so air consumption is higher even though you are fit and have a low resting heart rate.
When your heart rate at 60 feet is the same as it is sitting on the couch watching a movie, your SAC will come down. As others said, it's all about time underwater.
When your heart rate at 60 feet is the same as it is sitting on the couch watching a movie, your SAC will come down. As others said, it's all about time underwater.
