Message:

<p>[QUOTE=&quot;Scubalou, post: 20528957, member: 101267&quot;]OK, not trying to be a smart ass here. Obviously you are not a diver. FYI, The gas in scuba diving tanks is not pure oxygen because it would become toxic under pressure. The gas in scuba divers’ tanks is ‘air.’ That’s right, good old regular air, exactly the same as what you are breathing now. Air is made up of 21% oxygen and 79% nitrogen. Now you may get certified. Lou[/QUOTE]</p><p><br /></p>

Your name or email address:

Do you already have an account?

• No, create an account now.
• Yes, my password is:
• Forgot your password?

Stay logged in