Just plain curiosity... do you do a lot of deco dives ? A lot of dives in the 30m/100ft range ? A lot of dives of 60 to 120mins ? A lot of dives in water temperatures in the below 10C (below 50F) range ? Do you do a lot of dives with 7mm exposure suits ? Do you do a lot of dives where you have to 'struggle' against current, and in low viz ?Carribeandiver:
To Nitrox or not to Nitrox: that is the question
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Gator Diver
Contributor
Carribeandiver:
Based on my own personal experience, Nitrox does decrease fatigue.
I have done several spring dives with the only difference being air
or Nitrox. After a day of diving on air, I felt like taking a nap. While
after Nitrox I was refreshed and not tired at all. But this is my own experience.
The Flower Gardens for example is the poster child for Nitrox. Take one trip with just air and you'll be like a little kid looking at all the big boys on the ball field. You'll want to be just like them diving a little deeper for a little longer as the trip goes on.
Seriously, Nitrox has its place and the Flower Gardens is one of those places where it does help if you want to take advantage of what it offers.
Seriously, Nitrox has its place and the Flower Gardens is one of those places where it does help if you want to take advantage of what it offers.
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Yeah, and if you didn't bring an air diving buddy with you, good luck on getting a Nitrox diver to buddy up with you.Airborne!:
scubadobadoo
Contributor
Does nitrox make one feel less tired? Are oxygen bars still popular?
http://www.fda.gov/fdac/features/2002/602_air.html
A few quotes from the above article...
"And people with healthy lungs don't need additional oxygen, says Mary Purucker, M.D., Ph.D., a pulmonary specialist in CDER. "We've evolved for millions of years in an atmosphere of about 21 percent oxygen."
"The American Lung Association says that inhaling oxygen at oxygen bars is unlikely to have a beneficial physiological effect..."
"We've all seen it on TV--a football player runs off the field after a play and dons an oxygen mask. "They don't need it," says Conrad Earnest, Ph.D., director of exercise physiology at the Cooper Institute in Dallas. "It's one of the biggest placebo effects going," he adds. "It's a combative activity, so yes, the players are going to be out of breath, but it's because of massive exertion--not because of lack of oxygen." The exception, says Earnest, might be athletes who play at higher elevations than they are used to, and don't have time to acclimate. "If the New York Giants go to play the Washington Redskins, the benefit of oxygen--if any--would be so small it wouldn't be measurable. But if they go to play the Denver Broncos--going from sea level to a mile-high altitude--they may be helped by oxygen while recovering from a play."
http://www.fda.gov/fdac/features/2002/602_air.html
A few quotes from the above article...
"And people with healthy lungs don't need additional oxygen, says Mary Purucker, M.D., Ph.D., a pulmonary specialist in CDER. "We've evolved for millions of years in an atmosphere of about 21 percent oxygen."
"The American Lung Association says that inhaling oxygen at oxygen bars is unlikely to have a beneficial physiological effect..."
"We've all seen it on TV--a football player runs off the field after a play and dons an oxygen mask. "They don't need it," says Conrad Earnest, Ph.D., director of exercise physiology at the Cooper Institute in Dallas. "It's one of the biggest placebo effects going," he adds. "It's a combative activity, so yes, the players are going to be out of breath, but it's because of massive exertion--not because of lack of oxygen." The exception, says Earnest, might be athletes who play at higher elevations than they are used to, and don't have time to acclimate. "If the New York Giants go to play the Washington Redskins, the benefit of oxygen--if any--would be so small it wouldn't be measurable. But if they go to play the Denver Broncos--going from sea level to a mile-high altitude--they may be helped by oxygen while recovering from a play."
Gator Diver:
I know it's not scientific, and perhaps not worth the extra cost of Nitrox to some, but I echo Gator's comments. On air, after a two tank dive, my throat is raw and I struggle to stay awake while cleaning my gear. On Nitrox, I clean my gear and get on with my day. Might be all mind over matter, but for me Nitrox takes the exhaustion out of a day in the water.
There's still one in Breckenridge, Colorado (9,600 Feet)scubadobadoo:
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Vitamin O...?
Ok, that's a good place for one. I got altitude sickness camping above 10,000 at Beunva Vista once. Maybe I should have drank something besides beeer???howarde:
Hydration is the best medicine for altitude sickness. O2 is a short term cure. If you ask people who are breathing pure O2, they'll say they FEEL better while they are breathing pure O2. I've said it before, that it's hard to quantitatively measure how good someone feels, which is why i think you can't verify the "nitrox benefit" as far as "feeling better"
I think if nitrox makes you think that you feel better... then it does.
I think if nitrox makes you think that you feel better... then it does.
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Yeah, I was younger, took beer, then was told to not drink the water.
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