SCUBA Diving-AAS-Nitrogen Retention-Deca-First cycle

[Deal Me In]

It sounds like you are a rec diver. If you ever decide to take a decompression procedure course you will begin to understand how conservative the rec dive tables are. They assume someone in horrible shape. As a rec diver you should never be below 30m so narcosis should never be a problem. I've never had above 40m. And if you stay within the tables or your computer you have no threat of getting bent.

Relax and enjoy your dive. Take some good pictures. Enjoy the beautiful weather.

[gorog25]

It sounds like you are a rec diver. If you ever decide to take a decompression procedure course you will begin to understand how conservative the rec dive tables are. They assume someone in horrible shape. As a rec diver you should never be below 30m so narcosis should never be a problem. I've never had above 40m. And if you stay within the tables or your computer you have no threat of getting bent.

Relax and enjoy your dive. Take some good pictures. Enjoy the beautiful weather.

I know abut decompression. but as I mentioned Roman's reply I do not know how to count with nitrogen how much would be my surface time, how many extra deco needed if my body retains the nitrogen. No dive table for this situation. I really need to do this before I enter into a cave

[Times Roman]

When we ascend from a dive we keep a constant ascend rate I think NAUI says 10m/min (I am not sure) PADI says 18m/min. this both considered safe rate so divers can release nitrogen with controlled ascent without a problem. Even If the body retains the nitrogen it should not be a problem, but If we plan repetitive dives we still have to count with nitrogen from the first dive. So we can figure out the length of the second or third dive. So how I can figure out how many nitrogen i have in my body? Dive tables are useless even tec tables, if i do not know how should I count with nitrogen. when i am out to diving usually it is 3-4 dives a day and I using two cylinders on each dive and yes we do make deeper than 50m sometimes.

It sounds like you are a rec diver. If you ever decide to take a decompression procedure course you will begin to understand how conservative the rec dive tables are. They assume someone in horrible shape. As a rec diver you should never be below 30m so narcosis should never be a problem. I've never had above 40m. And if you stay within the tables or your computer you have no threat of getting bent.

Relax and enjoy your dive. Take some good pictures. Enjoy the beautiful weather.

I know abut decompression. but as I mentioned Roman's reply I do not know how to count with nitrogen how much would be my surface time, how many extra deco needed if my body retains the nitrogen. No dive table for this situation. I really need to do this before I enter into a cave

The difference between old school and new school is all these tables. Yeah, we had tables. But there are also rules of thumb that us old bulls live by that work so you don't have to think

1) One 80cf tank doesn't hold enough nitrogen to get you into trouble, so it doesn't matter how deep you dive on a single tank for the day. Nitrogen absorption is a function of time and pressure. Sure, the deeper you dive the more pressure, but also because of that pressure, you are breathing compressed air, and the deeper you go, the quicker you use up your tank. It don't matter!

2) Decompression rates. More tables to confuse. Simple rule of thumb that works perfectly every time. Never ascend faster than the air bubbles you are exhaling. Now you can forget about all the fancy tables and just enjoy the dive.

Cheers!
---Roman