The TDI Advanced Trimix Diver Course is the top level of training for Open Circuit Divers diving up to 100 metres/330 feet utilizing hypoxic levels of oxygen (below 17 percent). This course is perhaps one of the most informative and challenging of all of the TDI open circuit courses. Upon completion, you will be among some of the most elite divers, capable of doing and seeing more while diving than any other divers.
Speed up the course timing by completing learning components online with the SDI e-learning program