Recreational Trimix Training
IANTD Recreational Trimix Diver training introduces qualified sport divers to helium-based recreational trimix for no-stop diving within recreational depth limits. The official IANTD page describes the program as a way to use recreational trimix gas mixtures while keeping the equivalent narcotic depth within a more manageable range. For many divers, the point is not simply going deeper; it is learning why gas choice, narcosis management, and disciplined planning matter as dives approach the edge of normal recreational profiles.
This course is meant for divers who already have comfort and judgment beyond the basic certification level. IANTD lists Deep Diver and EANx Diver, or equivalent qualifications, as prerequisites, along with a minimum age requirement. Students should already be able to plan dives conservatively, maintain buoyancy and trim, monitor gas carefully, and communicate clearly with a teammate before adding helium-based planning to the process.
The training typically includes academic sessions, confined-water practice, and open-water dives, with the instructor building the course around confirmed prerequisites and student readiness. In High Springs, Florida, Recreational Trimix Diver can be a useful bridge between advanced recreational diving and later technical training, giving divers a structured introduction to trimix concepts before they move into decompression or more demanding technical programs.
