Scuba Tanks & Valves Explained — PADI IDC Dive Theory

Everything you need to know about scuba tanks and valves for the PADI Divemaster and IDC exams — steel vs. aluminium buoyancy, visual inspections, hydrostatic testing, tank markings, K valves, J valves, twin manifolds, and burst discs. Timestamps: 0:29 Steel vs. aluminium — buoyancy and wall thickness 7:50 Servicing — visual inspection vs. hydrostatic test 11:18 How hydrostatic testing works (and why water is used) 17:00 Steel Tank Markings 18:36 Aluminum Tank Markings 19:31 Other markings 22:43 K valves, J valves, and twin manifolds 28:18 Burst discs Full study notes for this topic (with exam traps called out): https://goprocaribbean.com/tanks Complete PADI IDC dive theory resources: https://goprocaribbean.com/divetheory ───────────────────────────────────────── Go Pro Caribbean — PADI Platinum Course Director Will Welbourn Roatan, Honduras | 500+ instructors certified since 2008 Monthly PADI IDC courses year-round https://goprocaribbean.com