This is the instructor level certification course for instructors wishing to teach the use of EAN-21 - 100 percent oxygen (O₂) for optimal mixes to a depth of 40 metres / 130 feet. The object of this course is to train nitrox instructors to teach the benefits, hazards and proper procedures for EAN-21 = 100 percent oxygen (O₂) for dives not requiring staged decompression.
Speed up the course timing by completing learning components online with the SDI e-learning program