I think I am undewhelmed with the first one, some useful concepts but not much more than that.
N
N
Welcome to ScubaBoard, the world's largest scuba diving community. Registration is not required to read the forums, but we encourage you to join. Joining has its benefits and enables you to participate in the discussions.
Benefits of registering include
evad:In the old one, the author recommends Spare-Air (to all his students) and A.I.R.2s.
b1gcountry:Well, the author discusses spare-air and AIR 2s. Tom