Whether you are a new diver or a seasoned diver, it is always good to know the correct terms. Here is a list of the most common terms we use with their correct definition.
1st Stage – The portion of your regulator which attaches to the tank. This first stage reduces the pressure from the tank to an interstage pressure. It is used to supply air to the second stage or to inflate your BCD.
2nd Stage – The portion of the regulator that takes your air pressure from intermediate pressure to breathable pressure. And is in your mouth to breathe your air as you need it. Continue reading