All Wreck & Tech Courses Back to Wreck & Technical PADI Tec Basics PADI Tec 40 TDI Deco Procedures/Helitrox Diver PADI Tec 45 / Tec 45 Trimix PADI Tec 50 / Tec 50 Trimix TDI Trimix PADI Tec Trimix 65 PADI Tec 65 to Tec Trimix Upgrade PADI Tec Trimix PADI Wreck Penetration Distinctive Specialty PADI Technical Wreck Penetration Distinctive Specialty TDI Intro to Technical Diving PADI Sidemount Diver PADI Tec 40 Instructor PADI Tec 45 Instructor PADI Tec 50 / Tec 50 Trimix Instructor PADI / Tec Rec Gas Blender PADI Tec Trimix Instructor