Lol I'm just guessing you weren't equalizing your ear pressure at a fast enough rate. That is what generally causes that.
Actually no. Diving schools think that people who are willing to spend money to go to deep-sea diving school are people who can swim. We had to do a drysuit swim "test" that was really just military PT in the water. We did that for 3 hours and it was horrible. XD
Lobster in an Anthony's in my hometown!
Not at that depth! O.o I have dived to 194' for a energy pipeline inspection and that was absolute pitch black. Pretty creepy.