breath

Hi all, I am in the market to buy a pair of tanks and am looking at the Faber HP133. This will be my first and only owned set of tanks. I am 6'4", 250 lbs muscular. So the common complaints of difficulty in handling these tanks on surface doesn't dissuade me a whole lot. I dive single tank at...

I am looking for some instruction-books, videos, etc.-that cover old fashioned snorkeling to depths of 30-50 feet. I just want to review techniques to stay down longer. Everything I find is on free diving. I am not interested in free diving. I just want to swim to a reef for a couple of minutes...

I am looking for some instruction-books, videos, etc.-that cover old fashioned snorkeling to depths of 30-50 feet. I just want to review techniques to stay down longer. Everything I find is on free diving. I am not interested in free diving. I just want to swim to a reef for a couple of minutes...

So, I've been diving for a couple of years and have logged 72 dives. I have always been comfortable underwater and can also perform decent freediving. When swimming in the sea for fun I'm ok with going down to 10 meters to explore and hold my breath for a minute, comfortably coming back up...

I'm trying to improve my air consumption. I'm always the air hog and the dive ends because of me. I usually do breathe from my diaphragm and I try to slow things down as much as I can, but I was reading recently some tips and ran across this aritcle on scubadiving.com which says: Pause after...