From Basic Nitrox Diver to Advanced Trimix Diver, Ocean Zone Divers offer all levels of Technical Training Courses. Follow the links to the left to get more details of a specific course.
Ocean Zone Divers terms and conditions apply to all of our courses.
TDI - Technical Diving International
TDI was formed in 1995 by Bret Gillian a former Director of IANTD and is now the world’s largest technical diving agency offering all level technical courses from Nitrox to Mixed Gas Rebreather. |