Category: Scuba Diving Tips For Beginners

air sharing emergency scuba diving

Don’t Get Gas Mugged! – A Predictable Strategy For Stress-Free Air Sharing Emergencies by Andy Davis I see lots of debate on scuba diving social media about optimal regulator configurations for air sharing. Divers debate the pros and cons of ‘traditional’ octopus, AIR2 systems, using the long hose, spare air and pony systems, primary share […]

Sidemount Technical Wreck Diving Subic Bay Philippines

Stress Management in Scuba Training – What can be done about the Panic Reaction? by Andy Davis I’m not a psychologist, but I have noticed some trends when it comes to diver reaction to scuba diving incident stress, and how those trends can be, to a greater or lesser degree, influenced by the effectiveness of […]


 Learning Scuba Diving Skills On Your Knees Negative Habitual Response Conditioning by Andy Davis Sometimes small, seemingly insignificant or innocent training methods can have a persisting and insidious negative consequence for student divers. From my experience, teaching any diving skills from kneeling or in a vertical position simply reinforces a future habitual response to resume that ‘knees/feet […]

Sidemount Technical Wreck Diving Subic Bay Philippines

The Physics of Diving – Scuba Gas Laws A concise explanation of the critical scuba gas laws for divers by Andy Davis Scuba diving is all about getting gas into your body while you are underwater. What complicates scuba diving is the way gasses behaves at depth, under pressure, in your body and in your […]


Buying Scuba Equipment – How To Avoid Noobie Mistakes by Andy Davis Scuba equipment is an expensive investment.  But take one look at eBay and you’ll find a mountain of nearly-new kit that is rapidly replaced or upgraded by divers.  It’s a sign of costly, regretful, purchasing decisions.  To put it succinctly; there’s a lot […]

technical diving subic bay philipines

Ten Tips to Attain a Better Horizontal Hover – Scuba Diving Techniques by Andy Davis Scuba diving techniques to improve your comfort and capability underwater. In this article, I list ten simple techniques that will allow you to develop a better horizontal hover whilst scuba diving. 1. Get Your Weighting Right Fine-tune & confirm your […]

improving air consumption scuba diving

 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 level divers. It really sucks to head to the surface because you’ve burned through your […]

andy davis technical diving

SCUBA Q&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: I know of at least one diving fatality that could otherwise have been avoided if intra-relationship dispute and/or the associated stress […]

cheap quality scuba courses

Are Some Scuba Courses more Equal than Others? by Andy Davis There are some big discrepancies in course pricing for seemingly ‘identical’ scuba courses. Cheaper courses, that result in the same certification and adhere to the same minimum agency standards should all be equal…. shouldn’t they? Why shouldn’t a prospective student simply shop around for […]

Scuba diving skills and techniques

 How to Judge Your Ascent Rate Without a Dive Computer by Andy Davis Novice divers often express frustration about how to best conduct safe and controlled ascents from their scuba dives. In particular, I see many new divers questioning the best technique for judging their ascent speed.  The common use of dive computers has automated […]

Sidemount Technical Wreck Diving Subic Bay Philippines

How to Dive with ‘Insta-Buddies’ by Andy Davis The term ‘insta-buddy‘ is popularly used within the scuba community to define a diver of unknown skill, capability and mindset – that you are paired with on a dive boat.  Typically, this term is used to describe the worst case scenario; of a scuba dive buddy who […]

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 when you’ve spent your hard earned money, time and effort in going scuba diving. Buddy […]

technical diving subic bay philipines

Using Your Hands Whilst Scuba Diving by Andy Davis Many novice divers wish to improve their air consumption during dives and increase their relaxation and fluidity underwater.  A major obstacle to these goals is using your hands for control and/or propulsion I think that most novice divers have an instinctive tendency to try and ‘swim’ […]


Balanced Weighting For Scuba Divers The purpose of weighting for a scuba diver is to ensure that they can remain neutrally buoyant at all times in the water. The diver themselves is most buoyant in shallow water at the end of their dive; this is when they have the least exposure suit depth compression and […]

scuba diving training

The Secret to Diving Expertise: Experience Versus Ability by Andy Davis If you want to be an expert diver, then you need to practice. Obvious, right?  It seems not… Practice is grossly neglected in scuba diving.  It’s not a performance sport and nobody wins a gold medal for scuba diving.  Most divers don’t see practice […]

scuba diving weighting

SCUBA Q&A: Question:   On my Open Water course, I was taught to drop my weight belt in an emergency. What situations would merit dropping my weights? I am naturally concerned that dropping weights will lead to a rapid ascent to the surface.   Andy’s Answer: There is one primary ‘trigger’ moment when the diver should […]

 99 Problems….and your TRIM is one! by Andy Davis. The short article outlines the most common trim problems experienced by scuba divers and how to overcome them. In scuba diving, our trim is the position and angle of our body in the water.  Ideally, that trim should be in flat and horizontal.  This is a […]

choosing scuba regulator diving tips

8 Factors To Consider When Purchasing Your Scuba Diving Regulator by Andy Davis Scuba diving regulators are one of the biggest purchases you will make as a diver.  There are many factors to consider when deciding what is best for you.  Don’t choose something you might regret later. Here are 8 factors to investigate when […]


PADI Deep Diver versus the Tec40 Course by Andy Davis In this article, I will compare the PADI Deep Diver and Tec40 courses in detail.  Both courses are available to moderately experienced recreational divers and both courses are equal in respect of the number of training dives and the qualification depth limit. So, what differentiates […]

Autonomous Progressive Scuba Skill Development

 A Guide To Expert Scuba Diving Skills Development by Andy Davis Many scuba divers struggle for years to improve their scuba diving skills, becoming exasperated that performance seemingly refined and perfected in a training environment does not replicate in actual open water dives. Even worse, it fails them when they are confronted with the need […]


How To Evaluate A Wreck Diving Course by Andy Davis In this article, I will be looking at what differentiates basic wreck diving courses – the good, the bad and the ugly. In particular, I want to examine specific wreck penetration issues, so that the reader may find some guidance in their selection of a […]

The Value of Progressive Scuba Training – ‘Putting Another Dollar In’. by Andy Davis When I talk with divers and read the online scuba forums I see a lot of scepticism about progressive scuba training courses. Novice divers often question the value of courses X, Y or Z.  Many intermediate and advanced divers will profess […]

andy davis technical diving

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 dive computer allows me to dive below 40m/130 feet and still stay inside no-stop limits . Why […]

technical diving subic bay philipines bcd

Choosing Your Buoyancy Control Device (BCD) by Andy Davis Shopping for a scuba buoyancy control device (BCD) is like completing a jigsaw.  There is a huge variety of products and options available for the diver to chose from. The diver needs certain functions, but may also want certain additional functionality.  Manufacturers/retailers will always try and make divers want […]

Sidemount Technical Wreck Diving Subic Bay Philippines

Choosing and Using A Redundant Air Source By Andy Davis Pony cylinders are a popular choice amongst divers who seek a redundant form of air supply as a contingency for Out-Of-Air (OOA) emergencies when scuba diving. There is a lot of debate about when, or if, a recreational open-water diver should need a redundant air […]

scuba diving Trim-Water-Resistance

Scuba Buoyancy Masterclass Series #1 STREAMLINED SCUBA EQUIPMENT by Andy Davis, PADI TecRec, ANDI, BSAC and SSI Technical Diving Instructor Streamlined scuba equipment is a critical factor in making overall improvements to your comfort and control in the water.  Scuba divers should consider streamlined scuba kit to be a high priority when purchasing and configuring […]

the balanced rig scuba diving

Scuba Buoyancy Masterclass Series #8 THE BALANCED RIG by Andy Davis When considering the configuration of their scuba equipment for precision buoyancy and weighting, scuba divers should pay heed to the safety issues arising from having non-ditchable weight.  To mitigate those potential problems, it is worthwhile to devote some attention to the principle of a […]

Scuba Diving Buoyancy

Scuba Buoyancy Masterclass #7 ASCENT, DESCENT & BOTTOM PHASE by Andy Davis Scuba buoyancy plays an important role in all the phases of a scuba dive. In this article, we look in detail at particular elements of a scuba dive, with an emphasis on the impact of scuba buoyancy control on the safety and enjoyment […]

Breath control for scuba diving lung volume

Scuba Buoyancy Masterclass #6 SCUBA BUOYANCY AND BREATHING by Andy Davis Breathing plays a critical role in scuba buoyancy control.  As we breath, the inflation and deflation of our lungs is continually affecting our buoyancy, but providing the breathing remains steady, slow and controlled it is rarely noticeable on a scuba dive. The Lungs are […]

Scuba Diving Philippines

Scuba Buoyancy Masterclass #5 PRECISION TRIM & POSITION CONTROL by Andy Davis Whenever we use our fins for propulsion in the water, we create directional thrust. If our body is not horizontally trimmed (‘flat’) in the water, then we will be accidentally directing that thrust at an angle (upwards or downwards) that will interfere with […]

scuba diving Weighting

Scuba Buoyancy Masterclass Series #4 PERFECT SCUBA WEIGHTING by Andy Davis Divers seeking perfected scuba buoyancy can achieve precise and correct weighting through the application of several assessment methods.  As the diver progresses in experience, whenever they change equipment or whenever they change diving environments (salt/fresh water) they should re-assess their weighting. During initial stages […]

Trim-Thrust-Buoyancy scuba diving

Scuba Buoyancy Masterclass ACHIEVING GREAT SCUBA BUOYANCY CONTROL by Andy Davis Scuba buoyancy control is determined by a number of different factors, such as breathing control, BCD/Drysuit inflation/deflation, weighting, trim and propulsion. As we know from our initial scuba training courses, our relative buoyancy underwater is dictated by whether the weight of water we displace […]

Scuba diving for fun and relaxation

Scuba Buoyancy Masterclass Series #2 PRECISION BUOYANCY CONTROL BENEFITS by Andy Davis Let’s have a look at 7 specific reasons why effective scuba buoyancy control is critical to the scuba diver: Environmental Considerations The underwater world is a fragile environment and unintended contact from a diver is going to cause some damage. This often happens on […]

Wreck Diving Subic Bay

Scuba Buoyancy Masterclass Series #1 Scuba Buoyancy Control for Divers by Andy Davis Effective scuba buoyancy control is, without doubt, the most important attribute that a diver needs to develop. Control of your buoyancy has a direct impact on air consumption, comfort, relaxation and the control of descents and ascents – which have direct safety […]