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Thanks for everyone's replies. I still need to noodle over this some more, but you haven't completely lost me in your explanations. There's a brain-tease aspect to it that's kinda fun to think about. Angie

I'm hoping someone here can help me get my brain around something -- in thinking about the effects of temperature on a gas. I understand why, if you take a cylinder of air into cold water, it will lower the psi in the tank. What I'm not sure about is: Does that mean that you now have less air to...

Do you have time before your open-water dives to schedule an extra practice session or two in the pool? I was quite uncomfortable after my first pool session, and I felt extra pressure because I felt like everyone was watching me screw up. I found a time to get in the pool outside of class time...

And look at the lady with the teeny head next to him! Wait a minute, that's a lady, isn't it??? She's got some manly hands. Something's fishy with this whole operation.

I'm sure the instructors out there will have their own advice, but from a student's perspective... just keep it FUN! There's so much information to go over and skills to practice, that it can start to feel like work for the students. I loved that my instructor kept a light-hearted attitude. If...

I have not lived on St. John (someday hopefully!), so I don't have much to say from that perspective, but we have vacationed there the past 4 years and I can tell you that everything is expensive there. The locals that we've talked with take the car ferry to St. Thomas to do their shopping, and...

Done. Hope others will email them as well.

I wish I had a formula, but since I don't, I'll share my weighting: fresh water, 7mm farmer john, with thick hood & gloves -- I wear 30 lbs. (I know that seems like a lot but I've tried less and I bob like a cork.) salt water, 3mm jumpsuit, no hood or gloves -- I wear 14 lbs. and kinda...

apple, Thanks for posting about your experience. I was interested to read it and the responses. I'm a new diver, too, certified less than a year ago with 20 dives under my weight belt, so inexperienced-diver stories are interesting to me. It's easy to get frustrated because I'm eager to be a...

I just had a run-in with them, too. My mother ordered a few small items for me for Christmas from them, and I decided that I would like to exchange them for other items (without telling my mom). I called and asked if I could do that, and told them that these items were purchased as a gift. I was...

Scuba is a lot of fun, but there is a lot to learn. If the items your uncle gave you are a good fit and in good shape, then you have a very nice uncle and you're starting off ahead of where most of us do gear-wise! My suggestion would be to find a local dive shop, go in and talk to them...

Hey, I just found this and thought you fellow underwater junkies might be interested: http://www.eternalreefs.com Basically it's where you can be cremated and have your remains memorialized as part of an artificial reef. I'm so jazzed about this that I can't wait to update my will.

You can't enter through designated swimming areas?! I don't even know what that means -- it's not like the beaches have roped-off swimming areas. I'm confused. One idea to consider for diving at Waterlemon Cay is to rent a dinghy from Noah's Little Arks (Wharfside Village, Cruz Bay, right in...

Got my ray tattoo around my ankle a couple weeks ago. I just scanned it... (not an easy proposition getting my ankle up on the scanner bed - lol) Angie

I wasn't very comfortable for the first several pool sessions. I remember the first time we were asked to clear our masks (in shallow water), I had a hard time breathing through my mouth while my mask was filled with water, and I couldn't do it. Then the next step was to take our masks off and I...

We just got back from St. John, our 4th trip in 4 years. I've never heard anything about not being allowed to shore dive there, but it's just not something that you see much of. The snorkeling is so easy and so good in almost all of the bays that there's really no need to gear up for scuba...

After much pondering and playing with designs, I've decided on my first tattoo, to go around my right ankle. Just made the appointment to get it done in August! Apparently they suggest not swimming for a week or two after getting a tattoo, and I take my kids to the pool all the time, so I'm...

As a tangent question, how do you say something to the effect of "cool!" underwater? My hubby/buddy is always looking for little creatures during dives, and when he points them out to me, I usually use the 'ok' sign as a way to show him that I see what he's pointing at and "yes, honey, your...

There aren't hard-fast rules about this, right? We did our certification with a local SSI shop a few months ago, and their configurations have the octopus ("safe second") on the left, primary on the right. It was kinda funny when we went to Florida for our checkout dives -- we did a universal...

I realize this is a whole different topic, but I'll take the tangent because this is interesting to me... We were taught how to figure our SAC rate, and in our materials, there was a time calculator (the rotating-wheel kind) with a planning slate for figuring how long we could stay at a...