Jacket BCD vs Back-Inflate Wing: Fit and Trim
Jacket BCD vs back-inflate wing: how each affects trim, travel packing, rental fit problems, and what to check before you commit to a configuration.
Buoyancy Control: The Skill Every Diver Must Master
Master neutral buoyancy and trim with a step-by-step weighting method, the physics behind it, and pro drills that cut air use and protect reefs.
Drift Diving: Current, Negative Entry, Boat Pickup
Drift diving trades finning for current reading, negative entries, SMB deployment, and reliable boat pickup. The protocol that keeps you off the open ocean.
Dry Suit Diving: Buoyancy and Emergency Procedures
Dry suit inflation, dump valve use, feet-first ascent risk, squeeze prevention, and emergency procedures — separate from wetsuit compression buoyancy.
Fitness to Dive: PFO, Asthma, RSTC Form
RSTC medical questionnaire rules, PFO screening, asthma limits, medication restrictions, and when a diving physician must clear you.
How to Use a Dive Computer: NDL, Ascent Alarms
Your dive computer tracks nitrogen loading and ascent rate — but only if you set it correctly. NDL, alarms, nitrox FO₂, and rental checks explained.