I have already completed the Enriched Air Nitrox (EAN) and Perfect Buoyancy specialties. My next two specialties will be Science of Diving and React Right.
I’ll be honest: I don’t know much about the Science of Diving course. I am assuming I will learn more about what I know now, in greater depth, pardon the pun. This seems like something that is important to know before diving wrecks and caves and doing technical stuff.
The React Right course should not be difficult. I am admittedly a bit rusty, but I have taken many CPR, first aid, and AED courses over the past couple of decades. The only part of this course, that I know of, that I have not done yet is oxygen administration.