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Tag Archive: divemaster


scuba-tips-advice-how-to-professional

Question: What is the difference between a Dive Guide and a Divemaster?  Both RSTC and ISO describe Open Water qualification as an “autonomous level” qualification. ‘Autonomous’ means that the qualified diver DOES NOT REQUIRE SUPERVISION relative to the level of their qualification. Consequently, it should be appropriate for a “Dive Guide” to accompany them purely […]

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The Physics of Diving – Scuba Gas Laws A concise explanation of the critical scuba gas laws for divers by Andy Davis Scuba diving is all about getting gas into your body while you are underwater. What complicates scuba diving is the way gasses behaves at depth, under pressure, in your body and in your […]