What certifications would you say are a "must have"?

[tursiops]

I can’t practice 0 visibility without it being zero
Visibility, duh

?? Just shut your eyes....

 

[FF / EMT]

?? Just shut your eyes....

And fall asleep?…

 

[tursiops]

And fall asleep?…

Hey, if you need the sleep...go for it!

 

[DOBY]

How about the DiveTalk Go rebreather certification? Prerequisite is Nitrox certification & just 20 logged dives. It’s perfect for new divers with little experience and will quickly open up a once in a life time of diving experiences.

 

[robbiny]

Isn't it open water to start?

 

[xanaphyst]

Id think you would be better off spending some time with your current cert and getting your head wrapped around key principles. Knowledge without experience isn't very valuable.