Braunbehrens
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Dr P.,
Yes, I think we basically agree. To make double sure I'm breathing the right stage, I like to have my hand on the tank valve as I take that first breath. When I feel the resistance, I turn the valve. Now I am able to take a full breath, and I am 100% sure that the tank I'm breathing from is the one that I'm holding in my hand.
It's a little bit paranoid, but this is one area where it pays to be careful.
It's true that you can make sure all your stages are off before going to the stage, but that takes extra time and I don't find it to be as foolproof.
I still turn off my stages after charging them on the surface, and I also identify the stage before breathing it both by the tank marking and the analysis on the neck.
Some people like to follow the hose back to the tank with their hand to make double sure, but I like my method better. You could also turn the tank on, start breathing, and then feather the valve closed for a second to verify that it is the right tank.
Any of these methods are really just "belt and suspenders" methods, but it doesn't cost anything, doesn't require you to carry anything extra, and doesn't take any extra time, so why not make sure.
Yes, I think we basically agree. To make double sure I'm breathing the right stage, I like to have my hand on the tank valve as I take that first breath. When I feel the resistance, I turn the valve. Now I am able to take a full breath, and I am 100% sure that the tank I'm breathing from is the one that I'm holding in my hand.
It's a little bit paranoid, but this is one area where it pays to be careful.
It's true that you can make sure all your stages are off before going to the stage, but that takes extra time and I don't find it to be as foolproof.
I still turn off my stages after charging them on the surface, and I also identify the stage before breathing it both by the tank marking and the analysis on the neck.
Some people like to follow the hose back to the tank with their hand to make double sure, but I like my method better. You could also turn the tank on, start breathing, and then feather the valve closed for a second to verify that it is the right tank.
Any of these methods are really just "belt and suspenders" methods, but it doesn't cost anything, doesn't require you to carry anything extra, and doesn't take any extra time, so why not make sure.
