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Am I correct that the strike of a mantis shrimp can generate a very audible "pop"? I saw a fellow once try to get one to strike to demonstrate this, but the shrimp was not in a cooperative mood.

What is this goop? The only goop I know of is a hand cleaner? Assuming it is an adhesive, what sort of fumes does it give off? And how bad is that going to be breathing that stuff at depth? I'm thinking about the increased partial pressure of what ever vapors this stuff is giving off in you...

Very useful tip there, Rachel. Something I'll watch out for in the future. Going from horizontal to vertical. Getting in the "launch" position.

Regardless of what you use to scrub -- be it toothpaste or softscrub w/bleach -- don't use a toothbrush. A toothbrush is not very maneuverable on the inside of a mask and you can't develop enough pressure to do an effective job. Instead use a small cloth or a cotton ball or a small gauze...

Hah! That last one with the bad rental equipment--- They've got more bubbles coming from more different places than a Lawrence Welk show!! (Younger folks may have to google that one) And the other two -- all that excess finning and sculling around -- a sure sign of someone that is not...

Oh, yeah -- about Mike's tying a line to his knife the using it as a grappling hook to pull out of the quicksand in the river bed. He has his usual BFK with him and ties it to some pretty heavy line. Then he throws it accurately to engage the rocks. Ever try to throw anything underwater...

Just watched an episode. Mike's looking for uranium deposits in a river bed. Right where his Geiger counter starts clicking he starts SINKING IN QUICKSAND!! Yes, underwater and yes, somewhat neutrally buoyant. He escapes only by the narrowest of margins. :rofl3: Fun, Fun!

The thing that disturbs me most about this it that she appears to ascend several feet and appears to hold her breath. Am I wrong? I notice that the hose and the body of the reg are also right there between her right arm and body and could have easily been swept up into her mouth. I wonder...

You mean that wasn't covered in YOUR rescue diver class??? Didn't Mike also give one of the guys he was rescuing his mask? If he didn't in that episode, he did in another. The guy's got sonar... don't need no steenkin' mask to see in the dark... just a BFK and away we go! But no worry... If...

Soft scrub with bleach. Flames on a mask scare me -- too hard to be precise and KNOW how hot things are getting, especially on the soft skirt.

Who made the housing? My SP350 buttons only work reliably in my Ikelite housing if the camera is nicely snugged up on it's mount.

Physically demanding. Especially when the guy playing the "panicked victim" is a 7 foot Greek (slight exaggeration) who'll try to drown you if you err. Learned a lot. Great fun. Great course!

Ahhh, Nemrod..... Your photos are bringing up memories. We had family in Ocala and would visit Silver Springs often as a kid. I've snorkeled many hours in the swimming area they used to have. Even then (late '60s and early '70s) you could not swim or snorkel in the Mammoth Springs area...

I was perfectly comfy in a .5 mm fullsuit last june in Roatan

Looks kinda like this guy: Fresh Water Mites. An introduction to the Hydracarina with photomicrographs.

Speedo makes spandex swimwear with legs. I forget what you call them. That's what I wear. Can't stand a regular bathing suit bunching up underneath a wet suit. As others have mentioned they are called jammers. I do not run around on the beach or dive boat in them. I always cover them with...

Wonder how much it would cost to just BUY the whale shark? I guess I'll just look at them from the other side of the glass.

$290!!!!! Did I read that right? Yikes!!! To they send a limo to pick you up???

An additional smoking risk is that if you are on a dive boat with me and I am feeling a little seasick queasy and the smell of your ciggies pushes me to the point of vomiting you may be my target. "Mind if I smoke?" "Why no. Mind if I hurl?" Seriously... I am ASTONISHED at the number of...

You may also get some private messages on these boards in addition to your email. I am no expert on pressure effects on teeth, but can relate a story to you from first hand experience that relates to the topic. I know of a child that had a pulpotomy performed and that was covered with a...