Learning Scuba Diving Skills On Your Knees
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 Knees
Andy Davis Sidemount Technical Wreck Diving Blog
Articles for beginner to expert scuba divers
Andy Davis Sidemount Technical Wreck Diving Blog
Articles for beginner to expert scuba divers
Scuba Diving
A Guide To Expert Scuba Diving Skill Development
A '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
DCS 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 SystemA Buddy System Strategy for Air-Sharing Diving Emergencies
Don'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 EmergenciesAI Dive Computers | Using Air Integrated Transmitters for 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 DivingWhat is the Balanced Rig Principle in Diving?
Balanced 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?Types of Decompression Sickness (DCS)
Decompression sickness types and symptoms. Medical catagorizations of DCS, along with sub-clinical DCS, aka decompression stress.
Read MoreTypes of Decompression Sickness (DCS)Using Your Hands Whilst Scuba Diving
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 DivingHow to Judge Your Diving Ascent Rate Without a Dive Computer
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 ComputerThe Physics of Diving – Scuba Gas Laws Theory
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 TheoryDecompression Stress: Post-Dive Fatigue and Subclinical DCS
Sub-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 DCSHow To Use A Pony Cylinder For Diving
A 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 DivingHow Deep Can You Dive Using Air?
There 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?Using your BCD or a Drysuit for Buoyancy Control?
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?When To Drop Your Weight Belt On A Scuba Dive?
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?CO2 Narcosis and Hypercapnia When Scuba Diving
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 DivingChanging to an AIR-2 Octopus AAS
What 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
The 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…
How To Overcome Fear of Mask Removal When Scuba Diving?
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?Scuba Diving Cylinders: Steel or Aluminium?
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?Sheck Exley’s Razor – The Nature of Diving Limits
A 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 LimitsNudibranch in Anilao Nudibranch – Philippines Underwater Photography
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 When Diving: DCS And Immune Response
The 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 ResponseThe Ultimate Buyer’s Guide To Choosing A Scuba Diving Wetsuit
Looking 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 WetsuitRisk Assessment in Scuba Diving: The Key Steps To Safer Dives
Learn 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 DivesDive into Fun: A Parent’s Guide to Youth Scuba Diving for Kids
Discover 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 KidsA Simple Guide To Dive Computer Algorithms
Not 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 AlgorithmsDrysuit Gloves: An Ultimate Divers Guide To Dry Glove Systems
Everything 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 SystemsTropical And Cold Water Diving: What’s The Difference?
Discover 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?A Guide to SMBs and DSMBs for Scuba Diving
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 DivingA Guide To Personal Locator Beacons (PLB) For Scuba Diving
Learn 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 DivingThe Passion for Scuba Diving: Dopamine Hits vs. Serotonin Satisfaction
Learn 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 SatisfactionThe Essential Guide to Emergency Signaling Devices for Scuba Diving Safety
Level 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 SafetyThe Ultimate Guide to Blackwater Diving
Discover blackwater diving with this ultimate guide! Learn about gear, safety, techniques, photography, marine life & best destinations.
Read MoreThe Ultimate Guide to Blackwater DivingThe 10 Best Muck Diving & Macro Photography Sites in the World
Explore the 10 best muck diving sites for macro photography in the world.
Read MoreThe 10 Best Muck Diving & Macro Photography Sites in the WorldMuck Diving in Subic Bay, Philippines
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, PhilippinesShearwater Dive Computer Settings: A Guide to Gradient Factors
An 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 FactorsThe Ultimate Guide to Full Face Masks: FFM for Scuba Divers
Learn everything you need to know about diving with Full Face Masks (FFM) in this very comprehensive diver guide. Buyer's advice and pro tips!
Read MoreThe Ultimate Guide to Full Face Masks: FFM for Scuba DiversTechnical Diving: Redundant Computers vs Backup Timer & Tables
Discover the pros & cons of redundant computers versus backup bottom timers & tables in technical diving. Which option is best for you?
Read MoreTechnical Diving: Redundant Computers vs Backup Timer & TablesScuba Diving FAQs: Common Dive Questions and Expert Answers
Scuba diving FAQs answered by an expert professional diver with 30 years of dive experience! Essential tips for safe & enjoyable dives!
Read MoreScuba Diving FAQs: Common Dive Questions and Expert AnswersScuba Q&A: Deep Diving Below Recreational Agency Depth Limits
Scuba Q&A Question: I was taught that “recreational divers plan all dives to be no stop dives” and also that most agencies consider 40m /130 feet as the maximum depth for recreational deep diving. That seems inconsistent when my…
Scuba Q and A: Diver Stress, Relationships and Comfort Zones
Scuba Q and A: QUESTION: I am a recreational diver and I dive mostly with my husband. Our relationship issues (bickering) caused me stress. Is this a factor I should consider when scuba diving? Andy’s Answer: [no_toc] I know of…
Scuba Q&A: Why Do Decompression Divers Use Nitrox?
Why do technical decompression divers use nitrox in the shallower part of their dive? Using nitrox and oxygen reduces deco time & DCS risk.
Read MoreScuba Q&A: Why Do Decompression Divers Use Nitrox?
