PFO – Patent Foramen Ovale and DCS Risk in Diving
What every scuba diver should know about PFO (Patent Foramen Ovale) and DCS risk. Is your heart putting you at risk?
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
Read MorePFO – Patent Foramen Ovale and DCS Risk in Diving
Scuba Diving Anxiety & CO2 Narcosis
Did you know that scuba diving anxiety can arise from CO2 narcosis? Learn why descent speed, gas density & exertion can affect your dives!
Scuba Diving Descent Speed: What You Need to Know!
This article has everything that you were never taught about scuba diving descent speed! What effects and issues does the descent rate have?
Skin Bends: A Guide to Cutaneous Decompression Sickness
A guide to Cutaneous Decompression Sickness, aka skin bends, that result from inadeqate deco, fast ascent, or PFO issues when diving.
Understanding Inner-Ear Decompression Sickness (IEDCS) for Divers
A guide to understanding Inner-Ear Decompression Sickness, aka IEDCS or verstibular bends, that result from IBCD or PFO issues when diving.
What is Fluorescence Night Diving? A Guide to Fluo Diving & Glow Diving.
Discover the magical world of fluorescence night diving. Dive into neon colors & biofluorescence with fluo diving! Tips, gear & the science!
Your Ultimate Night Diving Guide: Dive into Darkness
Explore the thrill of night diving safely and confidently with this comprehensive guide. Learn the gear, techniques, tips and marine life!
A Guide to Diving With Sharks: Thrills, Chills, and Safety Skills
Crucial tips for diving with sharks. Safety measures, statistics, types of shark diving, & the best global destinations for shark diving.
What is the Difference Between a Divemaster and Dive Guide?
When taking a scuba diving vacation it's important to know whether you have a dive guide or a divemaster. Learn the crucial differences here!
Achieving Perfect Diving Trim: Your Path To Effortless Dives
How to develop your scuba diving trim and become a more comfortable, confident & competent diver. Follow these simple tips for swift progress!
How To Maximize Enjoyment as a Scuba Diver!
Getting the most enjoyment from your scuba diving. Turn gratification into passion! A philosophical & psychological path to diver fulfillment.
10 Traits of Highly Competent Divers: A Diving Mindset To Excel!
Want to excel as a diver? Discover the 10 common traits that define highly competent divers. Implement these concepts to enhance your diving!
Decompression Sickness Treatment & Recovery
Richard Pyle's educational account of his experience with decompression sickness, treatment & the recovery. A valuable read for divers.
Diving Certification: Do You Need To Get Qualified To Scuba Dive?
Learn the benefits of obtaining a scuba diving certification, including improved safety, access to more dive sites, & enhanced diving skills.
Nitrogen Narcosis: Why It Is Hard to Know You Are Narked
How do scuba divers perceive nitrogen narcosis? Is it possible to gauge your susceptibility to narcosis & make sound judgments to manage it?
Scuba Gas Planning: Gas Management For Divers
Learn scuba gas planning for your dives! A step-by-step guide to gas management for divers. Enhance your dive knowledge & safety underwater!
Optimizing Configuration For Your Backplate and Wing BCD
Discover how to perfect your backplate and wing diving rig with DIR and Hogarthian principles for the perfect diving experience!
Avoid Costly Mistakes When Buying Dive Gear
Honest expert pro tips to help prevent costly mistakes when buying your dive gear. Don't regret your scuba equipment purchases!
What is the difference between a safety stop and a decompression stop in scuba diving?
The important distinctions between safety stops & decompression stops in scuba diving. Understanding no-stop limits versus mandatory deco.
The Risks of Scuba Diving: Understanding the Hidden Dangers Underwater
Understand the potential risks of scuba diving and how to minimize them. Learn about the most common dangers and how to stay safe.
Scuba Equipment Shopping: How To Buy The Best Dive Gear!
When scuba equipment shopping it's easy to waste money on disappointing or inappropriate dive gear. These honest pro tip helps avoid costly mistakes!
Mastering Horizontal Diving Trim: An Effortless Balancing Act
Stable diver trim is the foundation for good buoyancy control and efficient propulsion. It also helps conserve the marine environment.
Gas Density in Diving: Research, Risks & Recommendations
Discover how gas density influences diving safety. Learn about the latest research, risks to divers, & recommended limits for safe dives!
The Truth About Diving Emergency SAC Rates
Are you underestimating your dive emergency SAC rates? Studies reveal far higher gas consumption than you'd expected!
10 Tips for New Divers to Rapidly Improve
Maximize your diving potential with these 10 tips for new divers to rapidly improve confidence, comfort and competency on your dives!
How To Use Less Air When Scuba Diving?
The best way to use less air while scuba diving is to address the root cause of higher air consumption, not to focus on the symptoms.
Backplate & Wing BCDs for Diving: Ultimate Guide To BP&Ws
Backplate & wing BCDs demystified: A detailed guide on their pros, cons, setup, & why they're a top choice for beginners & serious divers!
UNESCO Marine World Heritage Sites That You Can Scuba Dive!
Discover 29 stunning UNESCO Marine World Heritage Sites for your diving bucket list. Awe-inspiring dives that promote marine conservation!
Immersion Pulmonary Edema in Scuba Diving: Understanding The IPE Risk
Learn the risks of immersion pulmonary edema (IPE) & understand its impact on divers. Understand the issues of this emerging diving concern!
10 Tips To Horizontal Hover When Scuba Diving
The ability to horizontal hover when scuba diving is the benchmark of fundamental skills proficiency. These tips will help you master hovering
Master Scuba Diving Buoyancy Control Like A Pro!
Achieve effortless diving with these expert step-by-step tips. Master breathing, weighting, trim, & more. Use less gas & increase your safety!
Top-5 Best Vacation Diving Travel Fins 2024 | Dive Gear Review
Lightweight diving fins that don't compromise on performance! Here is my pick of the best vacation travel scuba diving fins
Does Nitrogen Narcosis Impairment Persist?
A new study on nitrogen narcosis challenges the long held presumption that nitrogen narcosis impairment dissipates immediately on ascent from depth.
The Secret To Improving Your Air Consumption For Scuba Diving
The secret to improving your scuba diving air consumption explained: it's probably not what you were told! Start making a real change today!
Bad Dive Buddy | How To Create A Safer Buddy System Dive Team
A bad dive buddy is stressful & dangerous. Follow this advice to develop a harmonious buddy system and boost your diving safety & enjoyment!
Nitrogen Narcosis Sedation & Consciousness
Nitrogen narcosis sedation is diminished consciousness: not the alcohol-like intoxication many divers are taught.
7 Diving Buoyancy Tips That You Need To Know
Divers often struggle with their buoyancy. These essential tips are game-changing to set you on the right path for consistent improvement.
The 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!
Technical 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?
Scuba 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!
Scuba 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.