There are several tips which you should consider while scuba diving. Some of them are:
Carry the best floating equipment
Do not get carried away by the low price equipment; they are made up of bad quality materials which are quite risky to use. If you are a novice swimmer, your body is not buoyant yet so you need to carry a jacket or a raft to maintain buoyancy.
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The equipment like wings is available for children. Also, wear your wetsuits and masks properly and get ready with fins and snorkel so that you are all set to initiate the amazing underwater session.
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If your mask is new, apply toothpaste or dish soap and rinse with water to remove the manufacturing chemicals on its surface. This will prevent it from fogging up.
Before you go for real snorkeling into the ocean, practice it into the pool or a shallow beach with a trainer so that if something goes wrong, he is there with you to save you from all the dangers. Learn from them not only the basic skills of snorkeling but also how to save you if anything goes wrong.
Get to know all the rules and regulations before you get into the water. You are not allowed to touch the fishes or turtles. All you can do is touching the rocks and sand, that too with your fins. Read the manual and get to know how to take breaks without standing.