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Much better!

Look again. The diver appears in the foreground with the jellyfish in the background. The jellyfish are only six feet across. This jellyfish would have to be much larger.

If you're sure your dad is going to dive one way or the other I would recommend finding exactly what the problem is, minimize the risks and enjoy your dives with him, knowing that he will be diving as safely as possible when he is with you. Of course there are risks to this. He may die a...

I'm glad it's so simple for you.

By reverse their heartbeat, do you mean that they reverse the flow of blood? What is the purpose for that?

I vote for the Zeagle, but don't count my vote as I have no experience with either and am just being a smart *** who is trying to keep the 50/50 thing going. It sounds as either choice would be a winner though.

I knew that the original posted didn't mention bolting to the surface after flooding a mask. I believe it was Mike F. who mentioned that he has heard of other students doing this. I can understand a new diver can be uncomfortable with water filling their masks and water possibly going up...

It's funny how that works, isn't it. How could being cold, wet and miserable be so much fun? It sometimes makes me wonder if we weren't all somewhat masochistic.

Mike, Please excuse my ignorance but I truely don't get this. I have seen many posts implying the importance of mask clearing and lots of posts by people agonizing over there difficulty with clearing masks. While I think it is an important task to be able to accomplish it wouldn't be one...

So as a new diver, I'm asking, what is considered proper maintainance? I currently have my regulators serviced annually. I generally look for signs of wear or damage when I clean them afer each dives and before I attach them to the tank. Is there more I should be checking?

I know this is the conventional wisdom, but that doesn't appear to be the case from my very limited experience. As I mentioned, when it happened to me it was with the yoke type but when it happened to my dive buddy it was din. When it happened to with the din valve it was initially a small...

Neither requlator was rental. Although, mine was a rental requlator that I purchased used. It has been serviced annually, though, and is not very old. It is also soaked overnight and cleaned after every dive. The LDS I purchased it from cycles through there rental gear every couple of years...

The mouth did seem to be completely blocked. The fish it attempted to swallow appeared to be almost the size. However, you're probably right about internal damage being a more likely cause.

I thought this occurred very seldom, however, I have seen it happen twice this past summer. Once to me and then once to my dive buddy. My dive buddy's requlator was DIN so I was very suprised by that. I thought this almost never happens with DIN.

On the last dive I made I saw a dead northern that had the tail of another fish sticking out of it's mouth. My first thought was that it must have choked to death on the fish. After think about it for a while this seems unlikely. I don't know much about fish anatomy but I don't believe they...

I was wondering the same thing. I'm assuming there is something interesting to see on the other side. Is that correct? Or is it simply a challenge thing?

Wait a minute! They took your valuables but let you keep your camera? I'm starting to question this story also.

I bet the women must love you if the area of shrinkage is enough to make a significant difference in your ability to stay warm. I find it interesting that so far the poll is probably showing just the opposite of what Gidds was probably expecting and what a lot of posters have implied. So far...

You definition is correct. It is the amount of space the air would fill at atmosheric pressure. A low pressure 120 holds the same amount as a high pressure 120 when they are both filled to their working pressure.

I think you approach is a very good way to do it and would work well for people who make frequent trips. However, for someone who may not have the opportunity to do much travel it doesn't work as well. Especially if there is something in particular that you want to see that is deep. How many...