I don't remember #50, but I hit 100' depth on #100 in Bonaire. My #200 was in our local quarry, and my buddy was on her 400th dive. Had I been in the ocean, I would not have attempted 200' on that dive.
Congrats on your #50. Keep it up. Be prepared to be addicted, if you're not already.
Congrats on your #50. Keep it up. Be prepared to be addicted, if you're not already.