Beginner Scuba Diving Questions

Beginner Scuba Diving Questions? How do I prepare for my first scuba diving? Can you teach yourself to scuba dive? What are common depths for beginner scuba divers? What should I buy first for scuba diving? What is the number one rule of scuba diving? How expensive is scuba diving as a hobby? What should you not do after scuba diving? What is basic scuba diving equipment? What are the benefits of scuba diving?