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Rick, the buddy dive was concluded at the entry ramp and the parameters of my "no buddy dive" were discussed with my wife at that time, so I would concede it could be poorly planned, but it was not an unplanned buddy separation.

How would you get to 163 ft accidentally? I could understand if he had a wetsuit compression/runaway descent, but if that were the case, he would have been found on the bottom of the lake, not floating on the surface. Other than that, you'd have to ignore excessive ear clearing and your...

I'm not going to make a habit of this, but I would like to get an objective opinion of my chances of running into a real problem during the tail end of a dive I did on Saturday. My wife and I were trying to suck down some tanks for a X country trip by car. She was around 300 PSI and I still...

Where are you looking for hydro? Call around to the fire extinguisher companies. It will usually cost about $15-$20. That's where the dive shop is going to take it anyway.

My wife and I bought PST E7-100s earlier this year and like them a lot. I think they're around 33 empty and 40 full. They're short enough that I can carry them without hunching my shoulders to keep them from dragging the ground. I went from 6 to 2 lbs and can hold at 10ft with an empty...

My major concern would be some fool rear ending us, knocking the valves off and turning the tanks into ballistic missiles. I always pack the tanks sideways so that they will hopefully shoot out the sides of the car and miss us in the front. I'm not going to empty them since the visual is only...

We're driving from TX to FL in a few weeks and are taking our tanks with us. We've sucked them down to 250 PSI. Is this safe enough for transport in the hatchback area or should we drain them down even farther? I don't have a very good gauge for very low pressure. Thanks, Andy

What about the grouper condominiums? Is that a cool dive?

We'll be stopping in Pensacola for a day (July 1st) on our way to the Keys in a few weeks. We'd like to get in one or two good shore dives 60ft range with easy to moderate entry/exit. Can anybody recommend a good place for us? We'll need a HP fill since we'll be travelling I-10 with...

Good point. I may look into getting a different gauge.

I've found the easiest way is to equalize on every breath while descending. Starting from the surface exhale and vent to descend. Then inhale, equalize and exhale repeatedly until you level off at your target depth.

Ah, so if we use the formula: Volume in CF / Working pressure * PSI between Tick Marks = CF per Tick Mark My marks are in 250 PSI increments so I would use: 100/3442*250 = ~7 CF per mark.

I know it's not the precise formula, but can I assume that 1720 PSI in a 3442PSI 100CF tank means I have 50 CF of air remaining? My math has an AL80 holding 13CF at 500 PSI and that is about equal to about 450 PSI in the 100. Is this close enough for working numbers? Any handy calculators...

I recently had my annual eye exam 5 years post lasik. I've got a very slight 1 click touch of astigmatism back. I'm now only around 20/20, not 20/15 anymore. Doctor also said she cannot see any scar or flap edge. Nothing in either eye. But she also said it's rather unusual for them to heal...

What's the water temperature around then?

No, No! You use the impact wrench to assemble the valves and manifolds on your doubles.

I'm a former aviation mechanic and I disagree. A "Good Mechanic" realizes that there is no such thing as a sense of touch because materials, lubrication and the length of your wrench are all variables. A good mechanic uses a torque wrench on all safety related fasteners be they aviation...

aluminium oxide is typically a grey/white powder or hazy coating on the surface of the metal.

I dunno? What's the Hoover's wife look like? :eyebrow:

No, I would be proactive and make an attempt to meet and greet with divers while we were at the dock, getting on the boat and on the trip out. I'd pick out a likely suspect based on gear and such and attempt to arrange buddyhood prior to the DM assigning it out. Since we're in a foreign...