Although the demands and dangers associated with cave diving are far greater than diving a tropical reef, the rewards can be just as great.
Many divers simply call the gas in their tank “oxygen” or “air” without really knowing what it’s made of. What’s the difference between scuba diving gas mixes?
Unlike new divers, who are happy just to be underwater and think everything they see is awesome (because it is), those with a few dives under their belt can be a bit of challenge. As a professional guide, how do you keep your most experienced divers happy?