Course overview

Get more bottom time on Koh Tao's deeper sites with the SSI Enriched Air Nitrox specialty - hugely popular because longer no-decompression limits suit pinnacle dives like Chumphon Pinnacle. You learn to analyse nitrox cylinders and plan enriched-air dives through SSI's digital training, with no minimum dives required.

What you’ll learn

• Understand how enriched air extends no-decompression time
• Analyse cylinder oxygen content and label it
• Calculate maximum operating depth and oxygen limits
• Plan nitrox dives with tables or a computer
• Track oxygen exposure on repetitive dives
• Set a dive computer for enriched air

Prerequisites

• Minimum age 12
• SSI Open Water Diver or equivalent
• Diver medical clearance signed by a physician

What's included · What's not

Probability of sightings · month-by-month

What you're likely to see each month, based on historic operator logs.

Day-by-day itinerary

1. Day1
   Theory & exam

   Complete the SSI digital learning on enriched air, oxygen limits and planning, then the exam.
2. Day1
   Cylinder analysis

   Analyse and label nitrox cylinders and calculate maximum operating depth.
3. Day1
   Optional nitrox dives

   Optional enriched-air dives at deeper sites like Chumphon Pinnacle to put the planning into practice.

Verified through iDive

Every partner school in the iDive network is vetted on safety, instructor credentials, equipment standards and student feedback. Talk to a iDive dive pro on WhatsApp for current availability and reviews specific to Koh Tao.

Frequently asked questions