TDI Nitrox Diver
This half day entry level course is available to all divers who wish to explore the many advantages of nitrox diving and begin to expand their horizons. The qualification allows the diver the use of nitrox from 22% to 40%. The half day course covers the history of nitrox, its advantages and disadvantages, oxygen toxicity, equivalent air depths, maximum operating depths, nitrox computers  and gas analysis.
No dives are involved unless you request them for a minimal charge
Prerequisites
Cost £90
£130 with one supervised dive
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