Why Helium for Deep Scuba Diving?
6:29
Avoiding and Escaping Scuba Down Currents
10:12
Trimix Basics For Scuba Divers
10:23
What is Nitrogen Narcosis and how do you get it?
8:15
Can You Scuba Dive With Diabetes
4:57
PADI RDP Dive Table Introduction, How To basics, Easy to follow with graphics in under 5 minutes!
20:26
SCUBA DIVING Boyle's Law Explained
7:15
Underwater Navigation With An Analog Compass | Master Series
6:29