Swimming with the fishes is not just an expression anymore. This is a reality that many people enjoy during a vacation or as a hobby. Some people have even turned scuba diving into a career that allows them to do what they love as their job, see the ocean's wonders, and have an incredibly unique occupation all in one. Scuba diving is also utilized by the armed forces as a way to stealthily do a scouting mission or sabotage an enemy's navy. However, that is not what more scuba divers aspire to be. Many of them just wish to swim with beautiful animals that cannot leave the water, search for sunken treasures that were lost long ago, or relax while lazily swimming in the warm waters of the ocean.
To scuba dive, one needs quite a few pieces of equipment to stay safe. Unlike the legendary Frogmen of ancient times, who sabotaged enemy ships while holding their breath for a torturous 4 minutes under water, scuba divers today have many options in their equipment to help lengthen their dives and stay safe at the same time. The Frogmen were not so lucky and many of them drowned while trying to complete their missions.
In order for the diver to swim quickly, they need fins on their feet to produce enough force within the water to move through it. Just like shoes, fins come in all shapes and sizes, so finding the correct fins for one's feet can be a challenge. A tip is to know what kind of diving you want to do because that will determine what kind of fin you need and what material it should be made from. For example, if you just want to swim quickly without a lot of changing direction through the water, the force fin would be the correct one to use. Any local scuba gear shop should be able to help you determine exactly what you need, if you are unsure.
The use of a wet or dry suit is also recommended, especially if one is diving close to things like coral or aggressive fish that can cut or harm a diver. These suits offer protection against water which could chill the blood and setoff hypothermia, risking the diver's life. They also offer protection against any injuries that could happen in the water, like bumping a rough coral rock and scraping oneself. The difference between the two suits is mainly temperature. If the temperature of the water is between 78 to 90 degrees Fahrenheit, the wet suit is the one to use. If the water temperature is at or below 72 degrees Fahrenheit, the dry suit is the one the diver will need to survive the chill of the water.
Other pieces of equipment that a diver will need are weights or a weighted belt system, which will keep the diver's body buoyant under water and allow him to swim better. There are some weight belts which allow the diver to control how much weight they have in the water by dropping some of the weight out of the belt. A diver will also need a mask so that they can see underwater and protect their face. An oxygen tank is a vital piece of equipment that the diver will need, unless they have gills. Oxygen tanks usually come in an 80 cubic foot tank, but the tanks can range anywhere from 65 to 100 feet of oxygen, depending on how long the dive is scheduled for.
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