Courtesy of SDI TDI ERDI

Are you thinking of advancing your dive career? Technical Diving International (TDI) is one of the largest technical diving certification agency, which is also a first mover in giving the mixed gases and rebreather training. Offering varieties of specialties from wreck diving, sidemount, to rebreather, TDI is known to focus on a more advanced scuba diving techniques.

Learn more about their training courses here.