james croft
Contributor
I began diving in the Philippines in 1967 without a certification and did so without problems until 1987. Then it got to be a hassle to book dives when traveling without a card. I got my first open water card by trading a pony bottle for one to an instructor who knew me.
I had been taught by a friend who instructed me to never hold my breath, come up no faster than my smallest bubbles and I taught myself how to use navy dive tables.
This may not have been the best way to learn to dive but it worked fine for me. I never was injured or really ever had a close call.
If you learn all the physics and physiology about diving yourself and have a good mentor there is no reason you cannot dive safely but in todays world it will be difficult to get air or book dives. Other than that dive at your own risk.
I had been taught by a friend who instructed me to never hold my breath, come up no faster than my smallest bubbles and I taught myself how to use navy dive tables.
This may not have been the best way to learn to dive but it worked fine for me. I never was injured or really ever had a close call.
If you learn all the physics and physiology about diving yourself and have a good mentor there is no reason you cannot dive safely but in todays world it will be difficult to get air or book dives. Other than that dive at your own risk.