It was a deep wall dive where the first 30 minutes are spent at 80+ feet. Without nitrox, people were bumping up against their no deco limits half way through the dive and with the top of the reef being at 60 feet, you get forced to come up to 30-40 feet and are so far above the reef that you don’t get to see much.Why was nitrox a must?
Same could be said for diving Maracaibo.