Tag Archive: limits
Originally posted 2019-02-22 12:34:35. Scuba Q and A: Why Do Deep Divers Use Helium? Q. Why is helium preferred over nitrogen for diluting oxygen during deep sea diving? Answer: There are three reasons why helium becomes a necessary addition to breathing gas as depth increases: Oxygen Toxicity Oxygen is known to cause central nervous system […]
Originally posted 2019-02-22 12:12:32. Scuba Q and A: How Deep Can You Dive Using Air? Q. How deep can someone scuba dive using normal air? Answer: There are a number of factors that determine the Maximum Operating Depth (MOD) of any gas mixture. These include: Inert-Gas Narcosis Inert gas narcosis using air begins to become […]
Originally posted 2018-03-07 23:56:52. Scuba Q and A Question: I was taught that “recreational divers plan all dives to be no stop dives” and also that most agencies consider 40m /130 feet as the maximum depth for recreational deep diving. That seems inconsistent when my dive computer allows me to dive below 40m/130 feet and […]
Originally posted 2017-12-22 21:11:10. Technical versus Recreational Scuba Diving: Why is there a need for Rules, Boundaries and Limitations? There is currently a strong debate about the need to differentiate between recreational and technical scuba diving. Some people believe that ‘diving is diving’ and question the need to draw a distinct boundary between recreational and […]
