Where can you get mixed gas training? A number of training organizations offer different types and levels of mixed gas training. Training organizations such as, IANTD, GUE, NAUI, and TDI all offer mixed gas training. Finding a dive shop in your area with technical instructors may be difficult. Typically, only dive shops that categorize themselves [...]

Mixed gas training can be broken down into several different classifications. There is no class or certification called “mixed gas.” Mixed gas is typically classified as the combination of helium, nitrogen, and oxygen, which is called trimix or just helium and oxygen, which is called heliox. Trimix is quickly becoming the more popular mix for [...]

What is mixed gas? Mixed gas for the diver is any combination of oxygen, nitrogen, and helium. These three gases mixed together are called trimix. Different combination percentages of these gases allow you to dive to various depths while reducing nitrogen narcosis and reducing decompression requirements. What are the benefits of diving mixed gas? Safety, [...]

Mixed gas is generally classified as a gas mixture that contains helium in addition to other gasses, as apposed to air, which contains 21% oxygen and 79% nitrogen and nitrox, which are oxygen mixtures of greater than 21% and the balance being nitrogen. There are two forms of mixed gas that divers use primarily today: [...]