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Types of Recreational Underwater Diving. Recreational diving or sport diving is a type of diving that uses SCUBA equipment for the purpose of leisure and enjoyment. There are many types of scuba diving and Philippines is blessed to have the great places for almost all of them. Cavern diving â diving within the entrance of a cave, where light is still visible.
Technical Diving: Divers are limited by the number of tanks they use during the dive. Some exceptional dives have been for over 18 hours. Clearly a great deal of planning is required for these types of dives. More routinely Technical Divers often go to 150-250 ft with durations around 90-120 minutes. Rebreather Diving: A rebreather (as described here) removes the gas limitation, but imposes a limit on the duration of the scrubber material. Based on the construction of the rebreather, this is usually between 3 and 11 hours.