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If (any of) you were on a boat, and a 13 or 14 year-old diver was assigned to you as a buddy, would you object? This person is a fully certified diver, just like the rest. What would you do?

Mr. Sensa is not thinking big enough. A big adventure can be had through careful planning. Stick a pound of grass in your luggage and make the first leg of your trip Saudi Arabia. You should be able to sell most of your stash over there, because it is hard to get. Try making a quick sale...

Orlando youth sports are super-competitive, even for the little kids. The captain of the Boston Red Sox grew up around the corner. Baseball, softball, and basketball feature year-round heavy travel. High school swimming is six hours a day. Folks move here so boys and girls can learn from the...

I have to speak as a parent right now. I saw a lot of benefit in my kids doing team-related sports when they were youngsters. Teamwork, leadership, sportsmanship, and learning how to win or lose were all good lessons from sports. At age 7, any boy can get on the soccer team, but if he starts...

There are plenty of other things a kid at that age should be doing. Go fishing, grow a vegatable garden, work on those soccer skills, learn how to draw. And, although we call it a sport, SCUBA isn't the same as a youngster getting on a basketball or baseball team. SCUBA can wait for...

That's a huge question. There are mines, quarries, lakes and springs over most of the planet. I've been in quarries with a water temperature of 38, and lakes where it is 88. As you travel, seek the advice of local divers as to conditions. Here in Florida we have fresh water and ocean diving...

Where did you go?

Pick a good boat. Bigger boats mean a smoother ride. Avoid a stinky diesel boat. Some of those will make you vomit from noxious fumes, right at the dock. Cigar and cigarette fumes may have a similar effect. Look at an item on the horizon that is fixed. Look at building if you are in...

Welcome, Boo. The fellow is just being sarcastic. As you proceed in diving, you'll learn what items are worth paying big for, and which are not. Experienced divers often use a knife made from a cheap steak knife, not a $100 beauty. A regulator "necklace" made from surgical hose is just...

What was the water temp today?

Look inside the tank. My Faber tanks have a black oxide coating to help prevent rust. Yours may, too.

That Megalodon passed through about 10 million years before I did. Hurricane Ike stirred up the bottom and I found the fossil tooth sitting with one edge up.

Take a trip down the coast to Venice, FL for shark tooth diving. Our pal Capt. Jamie has a boat, the "Aristacat" set up just for this. The water is stll rather cold for this' but in a couple of months the fun is on. Check my photo.

$499 + books, here. I believe that dive master and instructor students can get a discount by helping out at the dive store.

To find the volume of the cylinder, fill it with water and carefully measure how much filled it. Once you know how many litres it is, a little math can calculate the volume of gas it will hold at 2400 psi. Plenty of folks here can help you with that.

Liberal = Aeris and Oceanic Conservative = Suunto On a two tank nitrox drift dive my pal with the Suunto Vyper runs out of time on the second dive. At the same time, my daughter will have about 30 minutes remaining on her Aeris computer. I have a Cressi computer and it gives results...

.001 inch is half the thickness of a human hair. There are firms that grit blast a tank's exterior and that would probably remove or obscure that marking. These scratches are probably not as deep as some dive shop induced scratches on many tanks. Your tank is not dangerous, but perhaps...

Give that Under Armour a try. If you don't find it satisfactory for diving, it has plenty of topside use. It lasts real well and you won't be throwing your money away. Remember that underwear is life support equipment and you get what you pay for. See your local dive professional to make...

Most of us have an array of items that you can't typically rent. You will probably need these sooner or later, and your college may not provide them: Safety sausage (SMB) Signal mirror Knife or shears Flashlights, large and small - the new LED's are great Slate Slate with compass is...

I have a co-worker who could not equalize. Tried everything to clear his ears, but could not make it below 10 feet. He is a great guy and a good athlete, too. He never could get certified. My daughter was in a OW class for high school kids. The classroom course was so drawn out that...