Reducing SAC rate: techniques that work
Learn to reduce your SAC rate from 25 L/min to 15 L/min using proven buoyancy and trim techniques used by professionals.
Diving safety & medicine
11 articles covering decompression, narcosis, medical fitness and emergency response.
Ear barotrauma: prevention and 5 equalization techniques
Master ear equalization diving to avoid barotrauma. Learn the Frenzel technique and Valsalva risks used by divers since 2024.
Recognizing decompression sickness early
Learn to identify real decompression sickness symptoms. 90% of cases appear within 12 hours of diving, so knowing the difference between fatigue and DCS is vital.
Deep diving 30-40m: what changes
Deep diving between 30m and 40m changes your physics. Learn how NDL shrinks by 75% and why narcosis hits hard.
Diving with kids: age and depth limits
Learn the specific age and depth limits for kids diving, from PADI Bubblemaker 8+ to Junior Open Water 10+ levels.
Medical fitness to dive: realistic standards
Learn how RSTC standards apply to asthma, diabetes, and heart conditions. This guide covers medical clearance for divers based on 2024 safety protocols.
Drift diving: skills, gear, mindset
Master drift diving techniques with this guide. We cover gear, down-current escape, and why 30+ dives is the ideal baseline for safety.
How long to wait between diving and flying
Learn why the 24-hour rule exists. We examine DAN guidelines and cabin pressure risks to keep your post-dive flights safe.
Night diving: gear, signals, behavior shifts
Learn how to manage light, buoyancy, and signals for night diving based on 14 years of experience in Southeast Asia.
Nitrogen narcosis: actual onset, recovery, prevention
Learn the reality of nitrogen narcosis onset and recovery. We analyze why some divers feel effects at 25m while others stay clear until 40m.
Wreck diving: from external tours to penetration
Learn the progression from external wreck tours to technical penetration, covering risks like silt-outs and specific sites like the USS Liberty.