Trimix is a type of gas mixture that may be breathed while scuba diving. It is composed of helium, nitrogen and oxygen. The helium that is used in trimix diving helps to keep the diver safe when they are on a deep dive. Trimix is commonly used during commercial diving and technical diving, when divers need to reach lower depths than is usual during regular scuba diving. Different proportions of helium can be used while trimix diving. A Trimix 10 [...]