Posts by AquaAlex
That is extremely long dive that come with many potential problems. Hydration Nitrogen Build-up Hypothermia Nutrition Exhaustion Hydration can be solved with soft bottles to drink from, camel back...
The easiest way to compare diving qualifications is to look at the ISO standards: International Standards The International Organization for Standardization has approved six recreational diving s...
I can tell you that no liveaboard operator will go on trips where they do not provide for diving opportunities for people on entry and advanced levels. All dives will be with a buddy and most li...
There are different ways depending on how you swim, take photo/film, etc. A head mounted approach is easiest and shows people your POV (point of view), bubbles can be an issue depending on your re...
Diving is first and foremost a PRACTICAL skill so the best way to practise is to do it. Yes you can read through the books to refresh your theory, but this will not refresh your ability to dive. ...
Straight up the Answer is almost certainly NO, since unless there is some way of restricting access to a site, any person can put on dive gear and go dive without any experience/training. I am not ...
It is always difficult commenting on what exactly happened and what was going through someone's mind. And in the end it is speculation. There is a good chance that he was overloaded and as he desc...
Your breathing rate is not affected, although experienced divers always try and breath slow, deep and continuous, to conserve air and keep airways open. The higher partial pressure of gasses does ...
very simple answer: On a plane, always check them into the hold; Everywhere else, keep them in your dive bag until you need to strap it on before diving, after the dive take it off and place ba...
Wet suit thickness is a very personal thing. I for instance dive in a 3mm shorty in 15C and higher and 3mm one piece for temperatures under 15C and above 6C Remember that you can also layer. So I ...
Black silicon blocks out all light except that which comes in through the lenses of the mask, leading to less light from peripheral. Spear fishermen, technical divers, free divers tend to prefer th...
A good estimation is to deduct 5 degrees Celsius from surface temperature to get temperature at 20m - 30m depth. (This is based on my experience over thousands of dives, but most of the diving is i...
This is not an easy question to answer. More lumens means better light, normally also further range. But if you dive in areas with lots of suspended particles in the water you will get a lot of bac...
I shall have to call bullshit on this. I personally forgot to hook up my dry suit inflation hose many years ago and sank to 36m (4.6 atm) in cold UK waters. Where I suffered from serious love bites...
Firstly, it's very nice to see someone do the eye float thing :) But this should be done on an near empty cylinder (50 bar). Else you are perfectly weighted with about 2kg of air in your cylinder (...
There are many discussions going on around this. Just remember the decompression models are theoretical mathematical models, backed by practical dives/research. We implement some rules for safety,...
For scuba diving this practice has no use. as you will be under water for a while and will be breathing compressed air from your cylinder. In the old days people used this for free diving / skin d...
Here is an interesting article on wikipedia to give overview of pressure related injuries. Dysbarism Embolism in diving would most likely refer to Arterial Gas Embolism (AGE) and the internet is f...
Ankle weights may only be a solution for beginner divers. The fact that your feet may be floating is not a real problem, the problem is when your whole leg floats as this causes a feet up head do...
Personally I would say regular exercise routine with swimming and cardio will help improve your air consumption. But the best exercise for scuba diving is more scuba diving. The more you dive, th...
