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IANTD Recreational Trimix

The IANTD Recreational Trimix Course is aimed at just that, the recreational diver! The IANTD Recreational Trimix Diver can be someone who is diving on a single or twin tank SCUBA system.

It is provides the diver with a breathing gas (Trimix) that can extend the range of the diver to the maximum recreational limit of 40m/130 feet given that when diving on air that diver experiences serious narcosis at this depth. This is achieved by adding helium to the breathing gas to establish an Equivalent Narcotic Depth, the depth a diver would feel the same narcosis breathing air to between 12m/40 feet to 24m/80 feet. The diver may elect to dive the breathing gas on tables or computer and this course can be combined with many other IANTD courses.

It is an excellent course for the prudent diver who is aware that narcotic effects in the 30m/100 feet to 40m/130 feet range when diving on air or Enriched Air Nitrox can have serious consequences when a task loading situation arises.

This is a course for those who are sensible enough to disagree with the common diver statement ‘I don’t suffer from narcosis!’

The fact is everyone does.