Overview This course will especially appeal to divers who are planning to complete a significant amount of dives during a diving holiday, live aboard etc. by using enriched air the diver can significantly reduce the amount of nitrogen absorbed into the system hence reducing the affects of nitrogen narcosis and the build up of nitrogen in the system. With this come special considerations especially with regards to oxygen toxicity. During this course the diver will learn how to safely plan dives using up 40% oxygen. This course is mainly theory based and there is a theory exam to complete before certification.
