If you're into technical diving then you know that to extend your depth range you need to use trimix - a blend of helium, oxygen and nitrogen.
The Tec Trimix 65 course introduces you to using trimix down to a maximum depth of 65 metres/210 feet.
There are advantages to using three gases, but you need to know how to do it right. Earning the Tec Trimix 65 certification makes deeper exploration a reality.
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