Nitrox Diver
Advanced Nitrox Diver
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Advanced Wreck Diver Semi Closed Rebreather Diver
  Semi Closed Rebreather Instructor
Gas Blending Tecnician
£150

Introduction
Covers all practical aspects of mixed gas blending, including gas standards, oxygen cleaning, materials compatibility, blending procedures, gas calculations, compressor systems for nitrox production, gas analysing. (1 day course)

Student Pre-requisites
Designed primarily for dive shops and filling stations. Open also to Nitrox Instructors and Extended Range or Trimix (and above) certified divers.