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Re:How long does a bottle of wine last after it is opened? by Syzygies on Saturday January 23, 2021 @10:32PM (#25888893)
Given a free choice, I chose the heavier argon. I'd seen it in use in an SF wine store where one could try fifty wines. (An obsessive friend showed me this store. I have better follow-through.)

It is said that CO2 can carbonate your wine. If you haven't experienced this, you're fine. I know no reason to actively prefer CO2 to argon, if one is making a free choice.

Re:How long does a bottle of wine last after it is opened? by rsync on Sunday January 24, 2021 @01:04AM (#25889734)
CO2 will not carbonate your wine unless you pressurize it.

1atm of (normal air) displaced by 1atm of CO2 is not going to lead to any carbonation ...

Re:How long does a bottle of wine last after it is opened? by striking on Sunday January 24, 2021 @02:20AM (#25890060)
Which store, if you wouldn't mind me asking?