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Gilboa is cold, deep, and dark. Years ago, I brought a NY instructor in to do a tech class. The instrutor had dove hundreds of sites including the Andrea Doria, but still was amazed that a quarry could require the level of competence one needs to dive the deep side. I've not been to Gilboa in...

Helium. It's not just for breakfast anymore. *

Wise words, Lisa, whether or not from a newbie. You had a very good instructor. I'll dive with you any time. *

H2Andy said: ****** most major thing not to screw up is not to hold your breath and do a quick ascent. the air will rip your lungs apart as the pressure decreases and its volume increases. it's called arterial gas embolism and is usualy 100% fatal. the second major thing not to screw up is...

Unless someone is diving very agressively for 2 years, maybe 5 days a week, I would not have confidence that they could possibly do enough to warrant the experience to undertake technical diving. I'm not aware personally of all the diving history of some of the recent deaths discussed here...

I will choose trimix for anything below 100 ft. You'll love the way you remember your dives, and totally appreciate the clear head you have during the dive. A nice clean deco will also put you back on the boat feeling great. Looks like you're already doing your homework on all this, though...

The key term here is "experience." Would you consider someone who was certified for barely 4 years but had been dry for nearly half of those 4 years in long stretches of time, to be experienced? *

Very cool. Your instructor is topnotch - one of my favorite dive buddies, in fact ;). *

Have you considered a larger tank, a 95 if you are now using Al80's, for example, with an H-valve? You get: - extra gas (air, in your case at this point) - redundant first stages - redundant second stages - the ability to close one valve completely in case of a freeflow - did I mention...

Along those lines, if you are at a dive site and there is an incident, you will be named and expected to make a statement. (Peter, Doug, did I say that right?) I know, because it's happened to me. I wasn't involved, nor did I witness the incident, but was in the vicinity and they still found...

They are not good on drysuit seals, either. I once hopped into a 40*F quarry with 4 adv. nitrox/deco procedure students, with 2 long dives ahead of us that afternoon. I sat on the wooden steps and reached down to don a fin, and felt an unusually cold rush down my right arm...... big tear in...

Drygloves in the quarry. Cold fresh water is really nasty on hands (to say nothing of the trout, in Gilboa!). If not that, I have a friend who wears latex gloves under her neoprene gloves and swears it helps. I preferred just finding a good manicurist. Frequent soaks in salt water seem to...

um well to be honest, I have tried - a few times - the result is pitiful. Your gallery is awesome and puts me totally to shame. I'm in awe. *

Great photos! Would you mind sharing what is your setup? One day, I too will take photos worth showing to others..... Was this Sund Rock or Octopus Hole? Or neither? thanks *

Hydrogen bonds. Covalent bonds hold the H's to the O to make H2O. Hydrogen bonds are the attraction of the positively charged H on one molecule to the high electron density around the very electronegative O of another molecule. These bonds cause many of the unique properties of water...

Great resourse, thank you! I had all but the last one by Andrea Zafares. *

Kevin, let me know when she gets back and I'lll be happy to go diving with you. And please thank her for me, for her service. * , mom to Iraq war vet

Once you understand the drysuit and get some technique, it's MUCH easier than all that nasty neoprene. Expect maybe 20-50 dives, depending on how much correct training you get at first and your willingness to spend a few dives just learning the suit, to get used to it. I won't dive anything...

This article surfaced today on another forum where DCS was being discussed. It's several years old; does anyone know of more current research on this? http://www.scienceagogo.com/news/19991101195512data_trunc_sys.shtml tanks! *

I'm 5'2" and about maybe 210 lbs (in all my gear - twin manifolded 95's, BP, stage bottle, cannister light, drysuit, etc. ;)) and yes its chilly but you learn the drysuit nd deal with it. I've taught OW classes in drysuits. They are IMHO very much preferable to thick nasty layers of neoprene...