
There are some things you need to know before you learn how to scuba dive. It is important that you understand basic diving theory and learn about the equipment that you'll need to survive underwater. You must be able swim for at least 200m without the aid of any assistive devices and be able float in water for at least 10 minutes to become a certified diver. Different agencies might require different qualifications.
PADI
PADI is the best place to start scuba diving. PADI's course is a program that teaches you how to safely and independently dive. You will learn how you can properly use your scuba diving mask and how to remove it. You can also ask your instructor questions along the course.

NAUI
The NAUI learns to scuba dive course aims to provide students with an in-depth knowledge of the ocean's environment. They will be able to understand the local ecosystem and its biodiversity as well as different species of marine life and conservation concerns. They will also be taught how to plan dives and what equipment they can use.
SSI
You can expect a smooth certification process and lots convenience when learning to scuba dive using SSI. Logging all dives can be done right from your SSI smartphone app. You have all of your certification information stored in your account so it's easy to lose or misplace cards. The app also gives you all the relevant information and diving tools such as hand signals or first aid flow chart. You can also find all SSI dive centres in the app.
Scuba diving is a great sport.
Discover Scuba Diving is an experience that allows you to dive from a boat or shore. The Discover Scuba Diving experience is led by a certified instructor who will provide supervision throughout. It is a great opportunity to get a feel of the sport.
Prerequisites for learning how to scuba-dive
You must have a number of pre-requisites before you can learn to scubadive. Learn about equalization, and underwater breathing. This skill is crucial and must be mastered before you can become certified. Practice is the best way to improve, so make sure you seek professional help.

There are many problems that could occur during the scuba certification course
Divers should be aware of several dangers when pursuing a scuba certification course. One of the most dangerous problems is nitrogen narcosis. Nitrogen narcosis is when a diver’s blood contains nitrogen. This condition affects motor coordination, reasoning, and decision-making. This problem can be prevented, however.