
There are some things you need to know before you learn how to scuba dive. It is crucial that you are familiar with basic diving theory and the equipment required 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 may require you to have different qualifications.
PADI
PADI is the best place to start scuba diving. PADI is a course that builds mastery and gives you the ability to dive safely and autonomously. The course will teach you how to put on and remove your scuba mask. All questions will be answered by your PADI instructor.

NAUI
The NAUI learns-to-scuba dive course provides students with an in-depth understanding of the ocean and its environment. They will have a better understanding of the local ecosystem as well its biodiversity, various species of fish, and conservation issues. They will be taught about the different types of equipment as well as how to plan dives.
SSI
You can expect a simple certification and lots of convenience when you learn to scuba diver with SSI. You can even log all your dives right from the SSI app. You have all of your certification information stored in your account so it's easy to lose or misplace cards. You also have access to all necessary information such as hand signals, first aid flow charts, and other diving tools. It also lists all SSI dive locations.
Scuba Divers
If you've never dived before, you can start with a Discover Scuba Diving experience, a one-day program that combines a boat dive and a shore dive. A PADI-certified instructor will supervise you throughout your experience, and it's a great way to get a feel for the sport.
Prerequisites required to learn how scuba diving
You need to meet several prerequisites before you can learn scuba diving. Learn about equalization, and underwater breathing. This is an essential skill, and must be mastered before you can become certified. It is best to practice. If you need help, it is a good idea to get professional assistance.

There are many problems that could occur during the scuba certification course
While scuba certification courses are generally safe and fun, there are several risks that divers must be aware of. One common risk is a problem known as nitrogen narcosis, which is when a diver's blood is contaminated with nitrogen. This condition impairs decision-making, reasoning, and motor coordination. There are many ways to avoid this problem.