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Once again, why would sharing air when the receiving party is not out of air cause a problem?

Yes

You realize that we are not talking about an OOA situation? What is dangerous about sharing gas when you are not OOA? A friend we dive with used to use a lot of air. Really lots. My wife uses almost none. They would often share air and I also would share air with him on occasion. My guess is...

I would make the argument that sharing air in a non-emergency situation is good practice. Of course....you cannot just come up to someone who isn't already in agreement and continue the dive using their air. And you can't wait until one diver is really low on air. But I see no safety issue, and...

So long as the big breather doesn't run their tank out before sharing and so long as the other divers are good with it, why does it matter? Why would it be unsafe?

What does the Farmers Almanac say?

Most of our lakes here have good viz. Looking in you can see the bottom clearly 10' down. In the summer, at 25' everything goes brown and you really can't see at all.

Dive with another operator?

Hard to get the training if you don't deploy it. I learned by doing. Didn't go well every time.

On our dives in Cozumel it is common for different pairs to come up at different times and in different places. Nice and safe to say "Just follow the DM" but that is not reality with some dive ops and some divers. And it is never a sure thing, regardless.

Working on a computer system for a kiln I had 16 (I believe) thermocouples feeding back to a PLC. It irritated me that they all read different readings in testing so I wrote a routine so that I could put them all tightly together and insulate the bundle to bring them all to the same temperature...

Yes. But I think the boats long term Scubaboard members dive with probably carry a higher percentage of nitrox tanks. The boats that look like buses probably carry less nitrox. But I am confident that AICO pumps a lot more air than nitrox.

I'm an all-in nitrox guy, but my experience with one of the tank fill op on the island tells me a lot more air is filled than nitrox.

Great lady, I like her.

I believe her dad was Arabic and her mom Israeli. Grew up going to a Catholic school in Cozumel.

Hi Kimela, Did Dr. Yasmin ever tell you about her background?

Do you really think large compressors have higher per tank costs than small ones? I've never seen a fill shop put in a whole bunch of small ones to save money.

I have a small compressor and have experience with the costs. That being said I am a friend of a guy who fills tanks in Cozumel. I understand that his labor costs are low, but I suspect his filter and oil and parts costs are high. I know for a fact that his electricity costs are high. I am...

He admitted to being a banned sock puppet. I'm sure he was already back with a different face on the puppet.

I could dive Cedral every day.