emtdan
Contributor
I am 16 and have been nitrox certified for 2.5 years. I would say to do with TDI's course. It is an open-notes, open book test, and it is very fulfiling...
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scubadiver89:hey, I jsut started to dive and I was thinking about taking aNitrox course. But you have to get all new gear wich is more than just normal air and its also more expensive gas. So i dont know why you would dive with nitrox! Can someone tell me something? Thank You