TDI Nitrox Blender: learn to blend nitrox by partial pressure and membrane methods, for mixtures from 21 to 100%.

TDI Trimix Blender: build on what you've learnt on your nitrox blender course and learn the techniques associated with blending with helium, whether you're lending trimix, heliox or heliair.

What do I need to start?

• Nitrox Blender (any agency) when upgrading to Trimix Blender
• Be 18 years of age