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oxygen and nitrogen
Theory is not included :120eu and required
enjoy your HYDROS for years to come
manage your gas supply and how to identify and manage narcosis
Advanced Nitrox TDI MARINE PARK oxygen and nitrogenTDI ADVANCED NITROX DIVER Why Take This Course? The TDI Advanced Nitrox Course qualifies divers to use enriched air nitrox from EAN 21 through EAN 100 percent within your current certification level to a maximum depth of 40 metres during dives that do not require staged decompression. Whats involved? Upon successful completion of this course, TDI Advanced Nitrox Divers are qualified to use Nitrox 22% to 100% and dive to the maximum depths as defined