I will always do a thorough workup on Buoyancy, Breathing and Body position, the aim being to improve your general diving skills, finning techniques etc, for some students this is all remedial training, for other students its just "fine polishing"
Navigation involves compass and natural nav, much more detail than in OW.
Computer use, surface safety sausage, surface safety in choppy conditions, how to dive from a boat from a boat safely, lots of other safety stuff as conditions dictate.
Deep dive covers Sac rate (calculated on earlier dives), gas planning, the concept of "rock bottom" gas and the use of a 40 cu ft pony. I also insist on "in water" buddy check / bubble check at shallow depth on every dive.
We will also discuss in detail Narcosis, DCS, computer algorithms and everything pertaining to going deep.
Everything else, depends on what dives you elect to do.
If you felt the you didn't learn anything, then you are either a very experienced diver OR you had an (inexperienced) instructor who did the minimum to "tick the boxes"
Navigation involves compass and natural nav, much more detail than in OW.
Computer use, surface safety sausage, surface safety in choppy conditions, how to dive from a boat from a boat safely, lots of other safety stuff as conditions dictate.
Deep dive covers Sac rate (calculated on earlier dives), gas planning, the concept of "rock bottom" gas and the use of a 40 cu ft pony. I also insist on "in water" buddy check / bubble check at shallow depth on every dive.
We will also discuss in detail Narcosis, DCS, computer algorithms and everything pertaining to going deep.
Everything else, depends on what dives you elect to do.
If you felt the you didn't learn anything, then you are either a very experienced diver OR you had an (inexperienced) instructor who did the minimum to "tick the boxes"