How does the BCD work?
A buoyancy compensator also called a buoyancy control device, BC or a BCD is valuable scuba diving equipment containing a bladder which is worn by divers to establish neutral buoyancy underwater and positive buoyancy on the surface, when needed. The buoyancy is controlled by adjusting the volume of air in the bladder.
BC-72. This is a unit for the advanced or professional diver. It is designed around a fully-featured back inflation buoyancy compensator device with its technical style inner air-cell and protective three-dimensional Nylon/Cordura outer shell.
How do I choose a BCD for scuba diving?
When it comes to choosing the right BCD, lots of factors will affect your decision. You’ll want to consider how much to spend, which type of BCD goes best with your diving style, how much weight you carry, where you want the jacket’s air to sit on your body, and even your body type.