The rEvo Air Diluent Course takes place over a minimum of 5 - 6 days.


Prerequisites:  Minimum 18 years / 50 open water dives / advanced nitrox can be taught with the rEvo course)  If taking Advanced Nitrox simulaneously:-Must be qualified as a Nitrox Diver and Deep Diver (or equivalent) with proof of a minimum of 50 logged dives or sufficient experience to satisfy the instructor that the student has the ability and knowledge to continue into this level of training.

​What you'll learn:Upon graduation from this course you will be able to safely plan and execute decompression dives to 130' with Air as a diluent gas while using the rEvo CCR.


Classrom Subject matter includes: General rebreather design, physiology: hypoxia, hyperoxia, hypercapnia How To Dive Rebreathers "when all goes as planned "Emergency Procedures while Diving Rebreathers "when all goes wrong". Dive Planning and Decompression Calculation, Oxygen Sensors Constant Mass Flow Theory rEvo Scrubber Rotaion, System Build-Up of the rEvo, Use of the rEvodreams, maintenance and use of the Shearwater computer/controller, changing batteries in the rEvodreams, and controllers.

 Confined Water Dives: Your course will also include confined water dives where you will learn the skills needed to become a safe rebreather diver. Together we will practice skills including: Minimum Lung Volume, dumping Gas from loop, manual diluent flushing, full vertical flush, oxygen addition, breathing in different positions Mask Clearing and Removal, DSV Removal and Replacement, bailing out to open circuit SCUBA, controlled ascent/descent, boom drills, hypoxic, hyperoxic and hypercapnia drills water removal from hoses, and more.


If you do not own a rEvo you can rent one of ours for the course.