One of IVS's most popular programs, “Voodoo Gas”, as some call it…what is it, and how can it make my diving so much better? Are there any risks or reasons why I should, or should not, use it on every dive? Learn this and so much more by attending IVS’s EAN / Enriched Air / Nitrox Specialty Certification class! You’re only one evening away from unlocking the secrets of “Voodoo Gas”!