If you want to certify open water divers, advanced open water divers, rescue divers and dive masters, you need to go through another kind of training, which is the open water dive instructor course. An open water dive instructor s responsibility is to teach people who want to learn how to dive and certify them as an open water diver. Nitrogen bubbles can expand as you surface, which can be very dangerous. A safety stop will allow your body to dispose of the nitrogen that has accumulated in your body. Scuba diving instruction will also let you know how to operate the complicated equipments involved in scuba diving. It will teach you how to read the depth gauge, the pressure gauge and also teach you how to navigate underwater by using a compass. Without your wet suit, scuba diving is not possible. It is especially designed for the people who are diving underwater. The materials used for the wetsuit are not the typical types of cloth. The suit is an essential piece of scuba gear. Your choice will always depend on various factors such as the location of the activity, the water temperatures and the type of stitching that the diver prefers. With its unspoiled underwater wildlife with live corals, Costa Rica became known as a premier dive site and became one of the most popular dive sites in the world. It has a vast diversity of marine life that people will surely enjoy watching. Costa Rica dive resorts also offer first-class dive boats that you, as a diver, will be comfortable while traveling to the dive site. In addition, Hawaii is also a safe place for scuba diving. The resorts provide for lifeguards that will guide their vacationers in their adventure underwater. They want to ensure that the vacationers will leave the place bringing wonderful and not tragic memories with them. It is a great idea if you will not just have your scuba diving in Hawaii for a day or two. You probably saw them on TV or at the beach and maybe you might have used them before when you went snorkeling. The fins allow you to move through the water almost effortlessly and with great efficiency instead of swimming with just using your bare feet and hands. The fins are strapped into your feet because of your powerful leg muscles that you can use for swimming and it provides far more effective propulsion than your arms can provide.