Why Do Divers Use Helium?
Find out the three reasons why divers use helium in their breathing gas to increase diving safety. Scuba agencies have differing policies on training for helium diving.
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Andy Davis Sidemount Technical Wreck Diving Blog
Articles for beginner to expert scuba divers
Andy Davis Sidemount Technical Wreck Diving Blog
Articles for beginner to expert scuba divers
inert gas narcosis symptoms
Nitrogen Narcosis: Why It Is Hard to Know You Are Narked
How do scuba divers perceive nitrogen narcosis? Is it possible to gauge your susceptibility to narcosis & make sound judgments to manage it?
Read MoreNitrogen Narcosis: Why It Is Hard to Know You Are NarkedDoes Nitrogen Narcosis Impairment Persist?
A new study on nitrogen narcosis challenges the long held presumption that nitrogen narcosis impairment dissipates immediately on ascent from depth.
Read MoreDoes Nitrogen Narcosis Impairment Persist?Gradient Factor Comparison: 60m Trimix Case-Study
Comparing three gradient factor settings on a 60m trimix dive plan to discuss off-gassing efficiency and DCS risk.
Read MoreGradient Factor Comparison: 60m Trimix Case-Study