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the best way to know the %CNS and OTU unit, is using a computer. I have two computers: Uwatec Air-X and Delta VR3. The second one is much better because you can use 10 gases on it... cheers!

Hi, I was in contact with thousand of mini jellyfishes this week-end, and my neck is getting hot... it looks like a mosquito bite, and I have a lot of red point around my neck and couples of balls under my skin. Anybody has got jellyfish before? Anybody know how to relief the pain? I was...

Hi! I want to start with my trimix course, but first I would like to study a little bit before my classes. Do you know if Argon can be breath as a mix air, or it is only used for the dry suit? Where I can find articles or good books about it. Tks a lot!

Hi! I was reading some article that says that 80/20 is not good enough to deco stops. Could you tell me please more about it? or when I can find a worth article...

Hi, I guess that a good speed is 60 fpm, so try to use always the same speed, if not, you can make a mistake trying to dive with one speed at xxx feet, and another speed at shallower water... think about it! Any way, pressure is an issue here, and the worst depth is from 30 feet to 0 feet...

Hello! Could you write down where is RGBM? I have an VR3 and I can tell you that it easy a very good computer! Awesome! A little bit expensive... I didn't know about RGBM, but I would like to read about it! Tks a lot!

my wife had the same problem, nothing serious, I'm sure you will be fine next time

you can use 30 fpm at deep diving, it is a good speed! you need a lot of time to get out your gases from your tissues, at least 2 min. from one stop deco to another one. I guess that you and your son are OW, so, I can tell you that for PADI 60 fpm is good enough!

Hi There! You don't have to worry about Nitrogen, the problem with O2 is th CNS Tox %. Take care about it! It could be worst than Nitrogen in your body. The best way is take a Nitrox course, and must be a tec course, because recreationalo courses doen't talk about O2 at 100%. Usually O2 is...

Recreational Diving is a very safety sport. Think about this: The market has a lot of table, each one has different No Deco Limit Time... awesome one! The values change from minutes to hours... awesome two!!!

Hi There! Nitrox is designed to get less N2 into your body! That's it! This is way you got CNS faster than air, and you need less time for DECO ...... leadweight In other words, is there additional safety in practice, or only in theory? ...... of course it is safety in practice, it is...

Hi! For recreatrional diving and even for tec diving, try to use 1.4 at bottom time and 1.6 for deco with nitrox.

Hi leadweight, Yes you are right, I was checking the same thing but not in computers, but in tables, and they are totallz different! So my question is: Which is the right one? I guess the table from the Agency that you come from...... Pretty bad answer!!!

low-vis is a very important skill! I am a cave diver and it is not a must...

I am sure that it will be great! I took my dry suit year ago from PADI and was really good. I used to dive with wet suit at 10 degree celcius and when I started with dry suit, it was awesome! Pretty big difference...

You must be an OW before to take Nitrox!

welcome and congratulation!

I just got EFR info from PADI, I will take the course. Tks a lot for the info guys!

I am a Nitrox Diver, so I have to...