A comprehensive buying guide to the best watch sized diving computer in 2025. Explore the details & specifications to for the best informed decision!
Read MoreWhat is the Best Watch Sized Diving Computer? | 2025Discover the transformative power of flow state in scuba diving. Dive into the zone and enhance your skills like never before. Find out how!
Read MoreSublime Scuba Diving: Achieving Flow State for DiversHow to perfect your scuba weighting. Get this right & your buoyancy control will be much easier. Advice not taught in Open Water courses
Read MoreHow to Nail Perfect Weighting for Your Dive: An Ultimate GuideExpert advice for diving ear care. Know the important differences between ear infection, waterlogged ears & muffled hearing after diving!
Read MoreTen Essential Tips For Muffled Hearing After Diving | Ear Care For Divers
Elite technical divers with positive psychopathic traits excel underwater. Discover why these adaptive traits are advantageous for divers.
Read MorePsychopathy & Technical Divers: How Adaptive Psychopathic Traits Benefit DiversTechnical diver traits have a profound effect on dive safety and skill development. Learn about these traits and how to develop them!
Read MoreTechnical Diver Traits: Understanding Personality Factors and Dive SafetyThe effect of micro bubbles when scuba diving. Sub-clinical DCS may not merit a medical emergency, but should be understood and respected.
Read MoreMicro-Bubbles When Scuba Diving: Mild Bends And Sub-Clinical DCSAdvice to determine which sidemount BCD will best fit your needs as a diver. Use these criteria to choose the most suitable dive gear.
Read MoreWhich Sidemount BCD to choose?Scuba diving skills taught in a kneeling position cause a plethora of problems for divers. Training in neutral buoyancy is very important!
Read MoreLearning Scuba Diving Skills On Your KneesA 'how to' guide for scuba diving skill development. A systematic tiered approach to ingraining fluent & intuitive dive proficiencies.
Read MoreA Guide To Expert Scuba Diving Skill DevelopmentDCS and the Immune System. How bubbles trigger an immune response that can make or break your body's fight against decompression sickness.
Read MoreDCS and the Immune SystemDon't get gas mugged - The role of situational awareness in predicting and avoiding stressful air-sharing emergencies in scuba diving
Read MoreA Buddy System Strategy for Air-Sharing Diving EmergenciesWhich is the best scuba training agency for your technical diving training? Understand the differences!
Read MoreWhat scuba training agency is best for technical diving?Are AI dive computers a valuable investment for divers? Honest pro advice on using transmitters with air integrated dive computers.
Read MoreAI Dive Computers | Using Air Integrated Transmitters for DivingBalanced Rig Principle: improve diving safety with a calculated approach to the overall buoyancy dynamic. Survive BCD failures without drama.
Read MoreWhat is the Balanced Rig Principle in Diving?Decompression sickness types and symptoms. Medical catagorizations of DCS, along with sub-clinical DCS, aka decompression stress.
Read MoreTypes of Decompression Sickness (DCS)It is vital to prepare for technical diving courses. Follow these steps for the best chance of success in your tech training.
Read MorePrepare For Technical Diving Courses | 5 Simple Steps For Success
Using your hands when scuba diving is inefficient for maneuvering. Learn how to break this habit and become a better scuba diver.
Read MoreUsing Your Hands Whilst Scuba Diving
Being able to judge your diving ascent rate is an invaluable safety skill if your computer or bottom timer fails. These tips show how!
Read MoreHow to Judge Your Diving Ascent Rate Without a Dive ComputerImprove your success in technical diving training by following these straightforward steps to prepare yourself before the course starts.
Read MoreWhat is the best way to prepare for technical diving training?
Boost competence, comfort, and confidence by learning technical diving. Discover 10 surprising benefits that raise your ability as a diver!
Read MoreTop 10 Benefits Of Learning Technical Diving
An explanation of the Scuba Gas Laws for Diving. Boyle's Law, Henry's Law, Charles Law, Dalton's Law, Oxygen Toxicity & Partial Pressures.
Read MoreThe Physics of Diving – Scuba Gas Laws TheorySub-clinical DCS, decompression stress and post-dive fatigue. The impact of microbubbles on diver vitality and health.
Read MoreDecompression Stress: Post-Dive Fatigue and Subclinical DCSThe technical diving experience paradox - acquiring more experience increases the opportunity for complacency to creep in & decrease safety.
Read MoreTechnical Diving Experience: The Complacency Paradox
Comparing three gradient factor settings on a 60m trimix dive plan to discuss off-gassing efficiency and DCS risk.
Read MoreGradient Factor Comparison: 60m Trimix Case-StudyPerspective on scuba world depth records: human physiology versus the limitations of diving science and technology.
Read MoreScuba World Depth Records – Science versus the Human FactorSidemount training varies enormously in quality. Read these tips to identify the expertise and experience you need in a sidemount instructor.
Read MoreSidemount Training: How To Find An Effective CourseA comprehensive 'how to' guide to pony cylinder benefits, selection, gas planning and usage. Everything you need to know about pony cylinders.
Read MoreHow To Use A Pony Cylinder For DivingThere are three governing factors which determine how deep can you dive using air. Understanding those factors promotes safe gas selection.
Read MoreHow Deep Can You Dive Using Air?
Should you choose your BCD or drysuit for buoyancy control? Find out the advantages and disadvantages of each option in this article.
Read MoreUsing your BCD or a Drysuit for Buoyancy Control?Learn when to drop your weight belt to survive a scuba diving accident. Tips and advice on weight belts and technqiues.
Read MoreWhen To Drop Your Weight Belt On A Scuba Dive?Did you know that mild CO2 retention (hypercapnia) causes acute CO2 narcosis symptoms when you are diving? Don't assume it is nitrogen!
Read MoreCO2 Narcosis and Hypercapnia When Scuba DivingWhat are the pros and cons to changing to an AIR-2 regulator inflator octopus (AAS) system? What needs to be considered? Best AIR-2 systems?
Read MoreChanging to an AIR-2 Octopus AASThe History of Subic Bay A concise history of Subic Bay, charting 500 years of turmoil, conflict and occupation The history of Subic Bay reflects many centuries of war and turbulence. The Bay has strategic significance as a protected deep-water…
Learn how to overcome fear of mask removal when scuba diving with these expert tips. Improve your skills and confidence underwater.
Read MoreHow To Overcome Fear of Mask Removal When Scuba Diving?Understand the characteristics, benefits & drawbacks to scuba diving cylinders. This article helps you decide between steel & aluminum tanks.
Read MoreScuba Diving Cylinders: Steel or Aluminium?
This article, posted at DiveDIR, gives great advice on how to reach your valves when conducting valve shutdown procedures.
Read MoreTechnical Diving Skills | Reaching Your ValvesA re-published article discussing Sheck Exley's 'Razor' and the consideration of limits for overhead environment and technical divers.
Read MoreSheck Exley’s Razor – The Nature of Diving Limits
Anilao nudibranch: Philippines underwater photography from one of the prime muck and macro dive locations in the world.
Read MoreNudibranch in Anilao Nudibranch – Philippines Underwater PhotographyThe Complement System and Diving by Dr. Ernest Campbell. The role of the immune response in sub-clinical DCS & decompression stress issues.
Read MoreThe Complement System When Diving: DCS And Immune ResponseLooking for the perfect scuba diving wetsuit? My buyer's guide for divers will help you learn about materials, sizes, features, care & more!
Read MoreThe Ultimate Buyer’s Guide To Choosing A Scuba Diving WetsuitLearn a step-by-step process for risk assessment in scuba diving and why it is vital to ensure your safety as a scuba diver!
Read MoreRisk Assessment in Scuba Diving: The Key Steps To Safer DivesChoosing the right set of sidemount fins is an important decision. They have a profound effect on diver trim and control. With that recommendation in mind, here is my pick of the top 5 warm-water sidemount fins.
Read MoreTop-5 Best Sidemount Fins 2024A comprehensive guide to advanced wreck diving techniques, equipment, skills and protocols. A must-read for wreck divers at all levels.
Read MoreAdvanced Wreck Diving: The Ultimate GuideDiscover the joy of youth scuba diving for kids. A parent's guide to safe and thrilling underwater adventures for children and young adults!
Read MoreDive into Fun: A Parent’s Guide to Youth Scuba Diving for KidsNot all dive computer algorithms are created equal. Learn the differences and make an informed decision when buying your next dive computer.
Read MoreA Simple Guide To Dive Computer AlgorithmsEverything about drysuit gloves! Dry glove materials, seal systems & thermal inners. Uncover the secrets to a comfortable cold water dive!
Read MoreDrysuit Gloves: An Ultimate Divers Guide To Dry Glove SystemsDiscover the difference between tropical & cold water diving. Learn the right dive gear & techniques for safe, enjoyable diving experiences.
Read MoreTropical And Cold Water Diving: What’s The Difference?Learn how to choose, deploy, and maintain surface marker buoys (SMBs) and delayed surface marker buoys (DSMBs) for safe scuba diving!
Read MoreA Guide to SMBs and DSMBs for Scuba DivingLearn about Personal Locator Beacons (PLBs) for scuba diving. A divers guide to choosing, using, and maintaining a PLB for dive safety.
Read MoreA Guide To Personal Locator Beacons (PLB) For Scuba DivingLearn how dopamine & serotonin reward mechanisms shape our enjoyment of scuba diving; impacting diver safety, proficiency & active participation.
Read MoreThe Passion for Scuba Diving: Dopamine Hits vs. Serotonin SatisfactionLevel up your scuba diving! A guide to emergency signaling devices: types, features, proper usage, and maintenance. Dive with reassurance!
Read MoreThe Essential Guide to Emergency Signaling Devices for Scuba Diving SafetyDiscover blackwater diving with this ultimate guide! Learn about gear, safety, techniques, photography, marine life & best destinations.
Read MoreThe Ultimate Guide to Blackwater DivingExplore the 10 best muck diving sites for macro photography in the world.
Read MoreThe 10 Best Muck Diving & Macro Photography Sites in the World
Muck diving underwater photography in Subic Bay, Philippines. Experience the rare marine life to be found in this photographer's paradise!
Read MoreMuck Diving in Subic Bay, Philippines
Technique and video showing how to tie a DIY regulator bungee necklace for your hogarthian or sidemount short hose regulator.
Read MoreHow to Tie a Regulator Bungee NecklaceAn illustrated guide to getting the best out of your Shearwater dive computer settings. Don't be intimidated by the advanced display options!
Read MoreShearwater Dive Computer Settings: A Guide to Gradient Factors
Follow these 21 methodical and simple steps to effectively drill the technical diving valve shutdown drill for increased safety & proficiency.
Read MoreTechnical Diving Valve Shutdown Drill ExplainedAI sidemount mode differs from just having multiple cylinder transmitters. Discover the best air integrated sidemount diving computers!
Read MoreAir Integrated Dive Computers with AI Sidemount ModeThe benefit of adding a low-profile waist buckle to your sidemount system.
Read MoreXDeep Stealth Modifications: Low-Profile Waist BuckleWhat is a pony cylinder? Why are they recommended for wreck divers? This article answers your questions.
Read MorePony Cylinders and Redundant Air Sources for Wreck DivingA nice modification to create a removable XDeep Stealth Classic wing lower attachment.
Read MoreXDeep Stealth Classic Modifications: Crotch BungeeMake your air last longer when scuba diving by following these simply tips. Read the solution to end frustration of high gas consumption!
Read MoreHow Can I Make My Air Last Longer When Scuba Diving?Sidemount air integration. An illustrated step-by-step guide to configuring AI transmitters optimally for sidemount regulators. Perfect setup!
Read MoreSidemount Air Integration | Ultimate Guide to AI Transmitter SetupRecreational diving limits become increasingly blurred with technical diving. Why are limits required & how do divers need to consider them?
Read MoreRecreational Diving Limits: Assessing The Grey Area Versus Technical DivingThree important tips on how to ascend when scuba diving. Read this to increase your safety and enjoy less fatigue after your dives!
Read MoreHow To Best Ascend When Scuba Diving?The best books for diving instructors to improve teaching ability & train better divers. None of this was taught in your dive pro courses!
Read MoreTop-5 Best Books For Diving Instructors!There are two styles of sidemount BCD: Mexican cave & Florida cave. Understanding the differences allows the best choice for your needs.
Read MoreWhat are the two styles of sidemount BCD design?This XDeep Stealth modification adds redundant buoyancy to the Classic, Tec or Rec sidemount BCDs. It is a simple oral inflation system.
Read MoreXDeep Stealth Modification: Redundant BuoyancyA comprehensive guide to sidemount diving. What it is, the history, the equipment styles, how it is configured, gear setup and everything else you need to know.
Read MoreA Guide to Modern Sidemount DivingDivers often talk about diving experience. But what does that mean? Learn the difference between an experienced diver and an expert diver!
Read MoreWhat is Diving Experience? Can it Define an Expert Diver?An honest appraisal of the training given on recreational Deep Diver courses versus the risks that exist on deeper dives.
Read MoreDeep Diver Courses: What You Really Need To Know!My review of the best technical diving computer available in 2025. All the specifications and critique you need to make an informed decision!
Read MoreWhat is the Best Technical Diving Computer? | 2025Find out the three reasons why divers use helium in their breathing gas to increase diving safety. Scuba agencies have differing policies on training for helium diving.
Read MoreWhy Do Divers Use Helium?Learn the best ascent speed for scuba diving. Contrary to assumptions, slower is not always safer when it comes to diving ascent rate!
Read MoreThe Best Ascent Speed for Scuba DivingDo you feel tired after diving? Read this article to understand what REALLY causes post-dive fatigue & the simple steps needed to avoid it!
Read MoreWhy Do I Feel Tired After Diving? How To Avoid Post-Dive FatigueHonest pro tips on how to buy the best scuba diving BCD for your needs. Learn about BCD features, functions, designs and suitability!
Read MorePro Tips For Choosing The Best Scuba Diving BCD For Your NeedsThis honest and impartial scuba diving regulator purchase guide will save you money. Avoid making costly mistakes when buying expensive dive gear.
Read MoreScuba Diving Regulator Buyers GuideDeep diving risks are badly educated on many dive courses. This article is a comprehensive guide to the hazards of deeper recreational diving.
Read MoreWhat are the Risks of Deep Diving?What is the value of doing more diving courses after open water diver certification? It all depends finding a high quality course. Read how!
Read MoreWhy Do More Diving Courses After Open Water Diver Certification?There are 6 issues commonly causing problems reaching the XDeep Stealth dump valve. Read my simple advice to easily fix those issues!
Read MoreProblems Reaching The XDeep Stealth Dump ValveEverything you need to know about DPV diving! Learn about the features, functions, price ranges, and suitability for different types of diving
Read MoreUltimate Guide to Diver Propulsion Vehicles: DPVs and Diving ScootersDiscover the art of safe diving with a long hose regulator! Explore this comprehensive step-by-step guide for recreational single-tank divers.
Read MoreHow To Use A Long Hose Regulator Configuration For Recreational Single-Tank DivingUnderwater Metal Detectors add adventure to your diving! This guide explains how they work, their features, effective operation & safety tips!
Read MoreUnderwater Metal Detectors: Ultimate Guide For Treasure DivingAssessing critical learning points to help promote increased dive safety. In January 2020, Christine Gauci, a 35-year old technical diver tragically perished in a scuba diving accident in Malta.
Read MoreDiving Accident Analysis: Christine Gauci Fatality | Malta 2020Learn the secrets to buying your perfect dive mask with this comprehensive divers guide. From features to fit, these pro tips will help!
Read MoreDiving Mask Ultimate Buyer’s Guide: Everything You Need To Know!A comprehensive guide to scuba diving for people with disabilities through the liberating and therapeutic opportunities of adapative diving.
Read MoreAdaptive Diving: Redefining Scuba Diver Independence & InclusivityEnd the frustration of mask fog with my comprehensive guide! Say goodbye to dive mask fogging forever with this 100% working solution.
Read MoreSolve Dive Mask Fogging: Your Expert Guide To Prevent Mask FogGet the best diving gloves for your needs with this comprehensive divers resource. Essential information & pro tips for the perfect purchase!
Read MoreThe Ultimate Diving Gloves Buyers Guide For DiversThe psychology of diving overconfidence exposed. Learn how you are predisposed to overestimating your ability & how that lowers your safety.
Read MoreOverconfidence in Scuba Diving: The Psychology of Diver HubrisWhat is scuba diving competency? How does it differ from skills & experience? Learn how to improve your competency and why that matters!
Read MoreMastering Competency in Scuba Diving: The Path From Novice to Expert DiverLearn how heuristic thinking harms scuba diving risk management. Read this to safeguard against cognitive biases for safe & successful dives!
Read MoreScuba Diving Risk Management: Heuristics And Dive SafetyChoosing the right diving hood has never been easier with this comprehensive guide. What you need to know to dive with warmth and comfort.
Read MoreA Diving Hood Buyer’s Guide: Stay Toasty, Dive CozyLearn about the science of diving psychology and how it can enhance your skills, safety, and enjoyment underwater.
Read MoreDiving Psychology: The Benefits & Applications For DiversTechnical diving training is HARD! Increase your chance of success with these top-10 tips on how to prepare for your tech diving course!
Read MoreTop-10 Tips: How To Prepare For Technical Diving TrainingA must-read guide to normalization of deviance: the dangerous slide into irrationally justifying bad diving judgments & avoidable accidents.
Read MoreNormalization of Deviance: Insidious Drift Into Dangerous DivingDiving experience isn't the path to mastery. Read this to learn what is really necessary to develop expertise as a scuba diver!
Read MoreExperience is overrated. Diving ability matters!Discover the key to safer diving: situational awareness. How can poor training diminish it? And what steps can you take to improve it?
Read MoreSituational Awareness: The Most Neglected Diving Safety SkillMust-know advice for a pathway to being a safe solo diver. Honest dive pro insights on self-reliant training & independent diving abilities.
Read MoreUltimate Solo Diver Guide: Independent & Self-Reliant DivingDive site details for the USS New York wreck in Subic Bay, Philippines. History, dive details and video of this famous shipwreck for divers.
Read MoreThe USS New York Wreck, Subic Bay
