Diving yes but always SAFE!
One of the most beautiful sport and activity to do is diving.
As we dont have any gills, and to avoid a maximum of risks, the five
dominant advices to dive safe would be
1- Be healthy (a pathology or a pre existing disease can be fatal)
2- Use proper equipment
3- Follow the safety guidelines (a rapid ascend can endanger your life)
4- Be trained (a poor buoyancy control can lead to accidents)
5- Always dive within your limits
Remember to always "stop" , "think" and "act",
A few basic rules need to be applied before, while and after a dive. By following these rules you will make sure that you will enjoy a dreamful new dimension and be able to continue your experience in the diving world.
It is important to be comfortable in the water in order to have fun and sense the feeling of flying among the underwater world. The only way to do so is to feel safe.
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1. PRE DIVE RULES
PRE DIVE RULE 1: Be in good health
It is not necessary to be able to run a marathon, but a physical check is recommended as it is proven through studies that a quarter of accidents occur due to circulatory or heart problems. You are responsible in signing a medical form discharge before any dive to attest of your good health. Dont cheat on your health!
PRE DIVE RULE 2: Be hydrated / Avoid smoking
Avoid smoking at least 6 hours before a dive; if smoking, your haemoglobins will be less able to fix oxygen during your dive so the risk of decompression sickness will be elevated.
Avoid drinking alcohol before a dive (night before) to avoid the acceleration of dehydratationwhen diving hence a risk of decompression sickness.
A tip is to drink electrolytes (sodium, potassium..) before diving to reduce your risk of dehydratation during the dive. This will help you as well to avoid peeing in your wetsuit as water will tend to be kept in your body. For the record, peeing in your wetsuit is a normal physical reaction due to cold water and weightlessness. Those 2 factors cause an increase in the volume of your blood in your heart which cause the need of peeing in order to regulated this pressure. With a warmer dive suit, this need will be reduced too.
PRE DIVE RULE 3: Plan your dive, and dive your plan
You are not going shopping, it's important to plan your tour with a map of the dive site, to plan for how long and how deep you want to dive.
The pre-dive briefing of your dive master/instructor will remind you about the underwater signs, and few safety rules like ear equalization. Avoid diving without having a pre-dive briefing!
PRE DIVE RULE 4: Always dive with a binome/Pre dive safety check
Your binome is here to have fun with you and to share a moment together, but above all to help for the pre dive safety check.<br>
The binome is here to be your back-up dive equipment/air and solve any potential problems that may occur. We recommend you follow proper training and regard the safety training like a rescue course.
2. DIVE RULES
DIVE RULE 1: Breath regularly and continuously
You should not hold your breath when scuba diving. Due to pressure factor, especially while ascending, air expands thus holding it while going up might cause serious damage to your lungs (pulmonary barotrauma).
Remember that you should be relaxed so that you are breathing calmly and fully expelling the air out of your lungs.
DIVE RULE 2: Equalize your dead air spaces (sinus, ear, mask)
When descending you learn various techniques to equalize your dead air spaces in order to avoid any ear, sinus or eye barotrauma.
This can be quite a painful incident and very easy to avoid!!
Remember that if you feel any pain in your ears you must go up safely before equalizing.
DIVE RULE 3: Always looking around you at 360°
Its very important to remember that you are diving in an other dimension, hence always be aware of what is happening around you: under you, above you, on your left and and your right.
Listen for the engine noise of a boat when you go up. And you or your guide must have an inflatable ballon to use it when ascending to alert boats around that scuba divers are surfacing to avoid any accident which can be fatal.
DIVE RULE 4: Ascend safely no more than 9 meters / min
If you go back up too fast you will create an overflow of gaseous nitrogen in your blood vessels and tissues, this will result in decompression sickness and may cause paralysis or even be fatal.
Always move slowly, its highly recommended to do a safety stop of a minimum of 3 minutes once you reach 5 meters for a dive shallower than 30 meters. Whereas for deeper dives there is a mandatory stop. Always follow your dive computer.
AFTER DIVE RULE 1: Check your equipment
Other people might use your equipment so please clean it and make sure nothing is damaged. The safety of others is important as well!
AFTER DIVE RULE 2: Relax and drink water
After a dive, its important to give your body time to properly release the nitrogen accumulated in your blood and tissues during the dive. This is advice if you dive with normal air. Its recommended not to drink hot drinks or to have a hot shower after diving, it will increase the volume of the mini bubbles of nitrogen still in your body and can lead to blocking of your circulation.
AFTER DIVE RULE 3: Plan your next dive! Dont fly 24 hours after a dive
Avoid taking an airplane in the 24 hours following a dive. Above 300 meters altitude, the volume of the nitrogen bubbles still in your buddy will increase due to pressure variation and that can cause decompression sickness.
Diving is addicting, enjoy it safely and be insured (DAN: Divers Alert Network).