Explore the depths
This course is the starting point for mixed gas diving and opens up the advantages of trimix to the diver, and divers are qualified to make multi-stop decompression dives that employ EANx and oxygen for accelerated decompression, and any trimix with an oxygen content of 18% or more. They can dive to a maximum depth of 65 metres/210 feet. You'll also understand the extra hazards and risks involved in trimix diving. You can also continue on to Tec Trimix Diver after which there is no depth limitation.
Course duration 3-4 days depending on experience level.