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My favorite Maui dive shop ...kidspot:Mine was $259, 2 days of boat diving and 2 shore dives (night and DPV) all books etc included. Through IANTD with B&B Scuba.
all4scuba05:dude, from what I understand so far, if your computer calculates Nitrox dives for you, and you take the SDI Nitrox course, and you dive with of to 40% Nitrox, you know enough to get Nitrox fills and dive with it. For some this might be a science. But in my opinion, after reading the TDI Nitrox course book and not finding it difficult, SDI's Nitrox Certification if simply, a basic course that is good enough to allow you to go diving with Nitrox.
Obviously TDI and Padi are quite different in some areas especially price. Why would TDI charge $75 for one and $150 for the other? To make money. Why would they also offer TDI Advance Nitrox Course? Why don't they just offer ONE Nitrox Course that teaches you everything there is to know about Nitrox Diving instead of three courses? I don't know. It makes me think that its just a matter of being able to charge more.
There isn't a whole lot to know about Nitrox. You learn what it does to the body and eqipment. You figure out the MODS. You get your fills. You plan your dive, and dive your plan. Its nothing like taking physiology in college.