Welcome to ScubaBoard, the world's largest scuba diving community. Registration is not required to read the forums, but we encourage you to join. Joining has its benefits and enables you to participate in the discussions.
Benefits of registering include
namelz52:oh,thank you very much,in my opinion,the cave diving is very exciting,so I want to try it
I know the cave diving need more time energy and air than other diving,so I had already begin the long time diving in the sea,now I can stay in the water over 3 hours with drysuits and 4 air tanks
Did the cave use a drysuits is necessary?
Your mother probably doesn't know that decompression diving in the ocean can be a bit, uh, dangerous too. Read Wendy's comments again and get some training if you already haven't. (Not trying to lecture you either, but red flags are cropping up ...)namelz52:(PS:my mother did not agree me to do any dangerous diving ,include cave diving)