Scuba diving in Bahamas has become a popular past time in recent years. One important factor that is often overlooked is which scuba tank should be used, high-pressure, low-pressure, steel, or aluminum. Which tank should be used for best results can be somewhat complex, though. Choosing the wrong tank can not only make a dive more difficult, but it can put your life in mortal danger. This is why it is important to look at these important factors when making a decision.