Enriched Air (Nitrox)

Stay down longer, safely. Learn the theory and gas analysis behind enriched-air diving for longer no-stop times — no extra dives required.

What you'll learn

• Why enriched air extends a no-stop limit, and why it does not let you go deeper
• Analysing a cylinder yourself, and logging what you found
• Setting a dive computer for the mix you are actually breathing
• Maximum operating depth, and the oxygen exposure that sets it
• Planning a dive on 22–40% oxygen

What the price includes

• Classroom theory
• Gas analysis practice with our own cylinders
• Your instructor throughout
• Your certification card, issued through PADI or IANTD
• Your numbered SDA Diver ID
• A digital copy of your certificate

Before you enrol

• Open Water Diver, or an equivalent entry-level certification
• Age 12 and over
• No dives required — this one is taught dry