Hey @princeso Easiest way to get certified and learn all the knowledge you need to know to not endanger yourself is to do a PADI open water course. It does cost a bit of money, when I did it 7 years ago it was around £300 uk, It might be cheaper in different countries. However, training is essential as you need to know a lot of complex things, to do with nitrogen depletion in the blood stream, to stay safe. To put it as simply as I can, the deeper you go the more the air in your tank gets pressurized and the percentage of nitrogen to oxygen effects your body differently under pressure. If you do the PADI course you will learn all about this and how to dive safely to counteract the effects. Please don't let this put you off though, a good teacher will make it easy and after 5-10 dives the procedures will be second nature. Thanks for your you comment. I will be posting more scuba adventures soon @raj80
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