The PADI TEC 45 course can extend your depth and time using 100% nitrox

This week we get into the details of the PADI TEC 45 course to extend your depth and time using 100% nitrox. This is the third in a series of articles exploring the PADI Tec Deep Course: the first article provided an overview of the PADI Tec Deep Course, and the second article explored the…