
Learn scuba gas planning for your dives! A step-by-step guide to gas management for divers. Enhance your dive knowledge & safety underwater!
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Choosing 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.
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Honest expert pro tips to help prevent costly mistakes when buying your dive gear. Don't regret your scuba equipment purchases!
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Understand the potential risks of scuba diving and how to minimize them. Learn about the most common dangers and how to stay safe.
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When scuba equipment shopping it's easy to waste money on disappointing or inappropriate dive gear. These honest pro tip helps avoid costly mistakes!
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Stable diver trim is the foundation for good buoyancy control and efficient propulsion. It also helps conserve the marine environment.
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Find out the three reasons why divers use helium in their breathing gas to increase diving safety. Scuba agencies havie differing policies on training for helium diving.
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Detailed guidance for choosing the best wreck diving course. Wreck diving can be dangerous; so it is important to choose expert instruction
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Maximize your diving potential with these 10 tips for new divers to rapidly improve confidence, comfort and competency on your dives!
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The question of using less air when scuba diving is one of the most pressing issues that a majority of newly qualified divers ask. 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.
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An honest explanation of the benefits of sidemount diving. The pros and cons of sidemount versus backmount gear for recreational, technical and cave divers
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Scuba diving FAQs answered by an expert professional diver with 30 years of dive experience! Essential tips for safe & enjoyable dives!
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Technical diver mindset: an analysis of change over two decades. Contemporary issues in technical diving and certification.
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Risk in technical diving and the need for humility and self-awareness. The temptations to ego driven pitfalls and how that risks diver safety.
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Essential tips for safe wreck diving penetration. Don't risk your safety - learn how to avoid wreck diving dangers like an expert!
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Assessing 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.
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Discover the most legendary technical wrecks around the world with my ultimate extreme diving bucket list for tech divers!
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Discover 29 stunning UNESCO Marine World Heritage Sites for your diving bucket list. Awe-inspiring dives that promote marine conservation!
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Early in 2017, I made a decision to cross-over my scuba diving instructor rating to RAID. What I liked about RAID was that they were aiming for quality, not quantity. That was reflected in their syllabus, as well as having stringent and measurable performance standards at every level.
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Don't waste time & money when developing as a technical diver. Create the best training plan to succeed in your tech diving ambitions
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If you're a wreck diving enthusiast, you know that not all dive sites are created equal. I've put together the ultimate bucket list of the top 20 best wreck dives in the world that will take you on an unforgettable journey to some of the most intriguing underwater sites on the planet.
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Bungee Secured Safety Spool A configuration idea to setup a finger spool for safety use in wreck and cave diving Here’s my approach to configuring a very secure, yet easy to deploy safety spool for overhead environment diving. It…
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Learn how to select the best sidemount instructor to guarantee maximum performance & a high proficiency outcome! Don't waste money on cowboys!
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Achieve effortless diving with these expert step-by-step tips. Master breathing, weighting, trim, & more. Use less gas & increase your safety!
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Lightweight diving fins that don't compromise on performance! Here is my pick of the best vacation travel scuba diving fins
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Answering the most common sidemount questions. Is sidemount...? What sidemount...? How sidemount...? A growing resource for quick answers.
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A comprehensive buying guide to the best watch sized diving computer. Explore the details & specifications to for the best informed decision!
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Sidemount cylinder boltsnaps may seem insignificant but are critical for cylinder trim. Choose the right boltsnap with this quick guide.
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Learn how to make a sidemount break away hose connector in just 4 easy steps! This DIY guide shows you how to make one cheaply!
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Discover the 3 types of sidemount regulator configuration. Learn the pros & cons of each setup to choose the best solution for your needs.
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How to set up sidemount loop bungee : an illustrated step-by-step guide by Andy Davis. Take the guesswork & frustration out of kit setup.
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Technical instructor review of the XDeep NX Project doubles wing. A truly innovative tech wing with some excellent and original features.
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A new study on nitrogen narcosis challenges the long held presumption that nitrogen narcosis impairment dissipates immediately on ascent from depth.
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Sidemount diving has soared in popularity since 2012, but some still debate whether it is technical level diving or exclusively suitable for only specific diving niches. Let's explore that debate!
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My thoughts on working as Technical Diving Instructor after two decades teaching tech, trimix & overhead diving as a full-time pro.
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My systematic method for assigning effective gradient factors settings on recreational and technical open circuit dives.
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A technical wreck course is among the most challenging courses for scuba divers. Read this descriptive account of advanced wreck training!
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The Secret To Improving Your Air Consumption by Andy Davis I encounter many novice divers who are dissatisfied, even frustrated, by their air consumption whilst scuba diving. High air consumption is often the controlling limit on dive time for novice-intermediate…
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A bad dive buddy is stressful & dangerous. Follow this advice to develop a harmonious buddy system and boost your diving safety & enjoyment!
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It's pretty easy (and cheap!) to make a DIY custom sidemount harness for yourself. Sidemount diving tips and 'how to' advice.
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Discover the impact of technical diving instructor location on your training quality. Choose wisely for the most rewarding tech diving course!
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Here's a contentious suggestion for the scuba diving industry; training agency affiliation can become a barrier to quality differentiation when trying to compete in the market on something other than offering the cheapest possible price.
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My thoughts and advice about attempting homemade sidemount gear projects. What does it take to create optimal DIY sidemount systems?
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A complete guide to the history of sidemount diving: how it evolved and the principles that were shaped from differing environmental needs.
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My thoughts on experiencing problems with sidemount skills performance; particularly fine motor movements.
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Nitrogen narcosis sedation is diminished consciousness: not the alcohol-like intoxication many divers are taught.
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Technical diving valve drills can be a problem on tech courses. These top tips will help you avoid some common errors!
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Technical diving differs from recreational scuba in many ways. This detailed article explains everything you need to know about tech diving.
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Divers often struggle with their buoyancy. These essential tips are game-changing to set you on the right path for consistent improvement.
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The three benefits of nitrox as a breathing gas for scuba diving. Is it worth the cost of training and more expensive cylinder fills?
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The $1200 Budget Sidemount Diver You can be a budget sidemount diver – and not have to make compromises on equipment function or safety. Sidemount really got popular over the last five years, but one factor that causes some divers…
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Many dive shop owners follow a very flawed business model. It's hurting them and makes them desperate. Diving consumers owe desperate dive shops nothing. That's the quintessential nature of the consumer-supplier relationship. It's the responsibility of dive shops to find a more profitable business model.
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Are You A Prestigious Diver? The prestigious diver If you dive regularly, you’ve probably met a prestigious diver already. They’ve got the good gear. They’ve done reputable courses. They talk about diving philosophies. They advocate for better diving training and…
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Relocating a lost guideline. Article by Jim Wyatt
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Discover the ultimate insider secrets to finding the perfect dive center! An honest proguide on how to pick a high quality dive shop or resort
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Top 5 Convertible Hybrid Sidemount Systems by Andy Davis My list of the top 5 most popular hybrid sidemount systems currently available worldwide. All of these hybrid systems are able to be converted for sidemount and backmount singles/doubles use. Hybrid…
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Discover the importance of diving suits for underwater exploration. From material to design, learn about the key features to look for.
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This beginners guide has all the information you need for starting scuba diving & ensures you get the most out of your underwater experience!
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If you are planning a trip to the Tubbataha Reefs Natural Park, a liveaboard is the only way to experience the beauty of this underwater world. In this article, I will discuss the best liveaboards that are available for exploring the Tubbataha Reefs Natural Park.
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Sidemount cylinder trim is a headache for many sidemount divers. This illustrated guide will help you diagnose the problem & find the solution
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Examining the risks & personal factors that should be considered before attempting solo diving. Read this article before you dive alone!
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The Philippines is a diver's paradise, with an abundance of stunning and diverse marine life, vibrant coral reefs, shipwrecks and crystal-clear waters
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A comprehensive guide to advanced wreck diving techniques, equipment, skills and protocols. A must-read for wreck divers at all levels.
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Don't pay good money for bad training. Undertanding these factors will help you identify the best scuba diving courses available.
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A sidemount pouch, or pocket, is used to stow ancillary diving equipment when sidemount diving. It clips to square D-rings on the read harness via two double-end boltsnaps.
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I observe lots of sidemount divers experiencing frustration with their kit; and it's often due to their sidemount cylinder band positioning. There's actually a very simple principle that determines band positioning.
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To excel as a technical diver you need to create a feedback loop to enable continual development. This article explains exactly how to do it!
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The ability to horizontal hover when scuba diving is the benchmark of fundamental skills proficiency. These tips will help you master hovering
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Scuba Diving Safety Protocols: Buddy Separation by Andy Davis Losing your buddy is an easy way to ruining a good dive. Being alone underwater can cause many divers apprehension. It often also ends in an aborted dive – which sucks…
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The benefits of streamlined dive gear and how to achieve it with your own scuba diving equipment. Small kit changes can have big effects.
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The balanced rig principle for diving describes a calculated approach to the amount of weight which can be jettisoned in an emergency
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How to improve your diving ascents & descents for safer and more comfortable scuba dives. This article can change your diving.
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How to control your breathing & scuba buoyancy for more comfort, confidence and competency as a scuba diver.
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The Importance of Deep Stops: Rethinking Ascent Patterns From Decompression Dives An abridged version of this deep stops article was originally in DeepTech, 5:64; and the full version was subsequently published in Cave Diving Group Newsletter, 121:2-5. by Richard L.…
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How to perfect your scuba weighting. Get this right & your buoyancy control will be much easier. Advice not taught in Open Water courses
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This is how you achieve great buoyancy control when scuba diving. There are a few key things to know, then you will find it easy
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What are the buoyancy control benefits for scuba divers? The reasons why it is worth devoting time & effort to developing core diving skillset
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The benefits of improving scuba buoyancy control & how it can be developed in training & practice.
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The effect of micro bubbles when scuba diving. Sub-clinical DCS may not merit a medical emergency, but should be understood and respected.
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Advice to determine which sidemount BCD will best fit your needs as a diver. Use these criteria to choose the most suitable dive gear.
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My review of the best technical diving computer available in 2023. All the specifications and critique you need to make an informed decision!
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Scuba diving skills taught in a kneeling position cause a plethora of problems for divers. Training in neutral buoyancy is very important!
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A 'how to' guide for scuba diving skill development. A systematic tiered approach to ingraining fluent & intuitive dive proficiencies.
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DCS and the Immune System. How bubbles trigger an immune response that can make or break your body's fight against decompression sickness.
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Don't get gas mugged - The role of situational awareness in predicting and avoiding stressful air-sharing emergencies in scuba diving
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Which is the best scuba training agency for your technical diving training? Understand the differences!
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Are AI dive computers a valuable investment for divers? Honest pro advice on using transmitters with air integrated dive computers.
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Balanced Rig Principle: improve diving safety with a calculated approach to the overall buoyancy dynamic. Survive BCD failures without drama.
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Decompression sickness types and symptoms. There are 4 medical catagorizations of DCS, along with sub-clinical DCS, aka decompression stress.
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It is vital to prepare for technical diving courses. Follow these steps for the best chance of success in your tech training.
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Using your hands when scuba diving is inefficient for maneuvering. Learn how to break this habit and become a better scuba diver.
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An overview of high pressure nervous syndrome | HPNS | Hyperbaric deep diving malady | Causes, symptoms, treatment | By Andy Davis
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Hollis SMS100 custom modifications. Get the best performance from your sidemount BCD; especially for warm-water & aluminum cylinders!
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An overview of compression arthralgia | Hyperbaric deep diving malady | Compression arthralgia causes, symptoms, treatment | By Andy Davis
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Being able to judge your diving ascent rate is an invaluable safety skill if your computer or bottom timer fails. These tips show how!
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Improve your success in technical diving training by following these straightforward steps to prepare yourself before the course starts.
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Everything you need to know about sidemount, wreck and cave diving helmets; including how to make your own DIY helmet.
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Philippines Underwater Archaeology, Shipwreck and Salvage Resources This is my resource link page for useful information on Philippines underwater archaeology, shipwreck resources and information about marine salvage. With a rich maritime history, including lots of action during World War Two,…
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Is Solo Diving Safe? Question: Is solo diving safe and recommended? What do I need to consider if thinking to go solo diving? Answer: Solo diving is ‘recommended’ insofar as most of the scuba training agencies have offered solo qualification…
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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…
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