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Big Blue Tech - Koh Tao - Thailand                                                             Facebook  Twitter  GooglePlus

Diving deeper than 55m is considered too dangerous on air. Any dives beyond this point require using trimix as a breathing gas on the bottom portion of the dive. This involves adding helium to reduce the amount of nitrogen, and therefore reduce the effects of gas narcosis. 

The trimix course qualifies you to dive to a maximum depth of 60 m/200 feet with a blend of helium appropriate for the planned depth, and a minimum amount of oxygen of 18%. The course covers topics and skills such as:

  • Team roles and responsibilities
  • Gas matching
  • Cylinder labeling
  • Dive planning and gas management
  • Equipment configurations
  • Thermal protection options

The course is normally run over three consecutive days. Four 4 training dives minimum are required for successful completion. We may require candidates to undertake a assessment dive with the course instructor prior to taking any bookings. The course fee includes required course manual and TDI certification fees. Boat fees and gas fills are not included. As on all higher level technical courses, instructor boat fees and gas costs are shared between students.

Course requirements:

1. Minimum age 18.
2. Decompression procedures diver
3. Proof of 100 logged dives

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