SSI Extended Range course
Certify now from SSI at the Eco Diving Center in Amoudara Crete
This program teaches the skills and concepts required to safely blend nitrox and helium-based trimix blends for mixed-gas diving. This is a non-diving program that is open to certified and uncertified divers, and teaches the mathematics, physics and techniques required to safely blend breathing gases. You will earn the SSI XR Gas Blender certification.