tom Noodles Jon, there are a couple solutions here. You could purchase a vacuum-type wine preservation system, something like vacuvin, and use that sealer with the pump after you pour a glass. The pump evacuates the air in the bottle, helping to preserve the wine a bit. I've had middling success with these, and the sealers seem to lose their ability to seal after time. There are systems like Coravin, which pierce the cork with a needle, and inject an inert gas like argon, as the wine is being poured (they have caps for screw top wines). The capsules are a bit pricey, but it does the job. Another alternative is to reuse a 375 ml bottle. Open a 750, pour half into the 375, filling it as much as possible, then cork it, while you enjoy the other half. Of course you'll need a way to keep track of wine is in the 375. And putting a partially filled bottle, yes, even a red, in the fridge will help as the wine oxidizes more slowly at lower temperatures.

tom Noodles Jon, there are a couple solutions here. You could purchase a vacuum-type wine preservation system, something like vacuvin, and use that sealer with the pump after you pour a glass. The pump evacuates the air in the bottle, helping to preserve the wine a bit. I've had middling success with these, and the sealers seem to lose their ability to seal after time. There are systems like Coravin, which pierce the cork with a needle, and inject an inert gas like argon, as the wine is being poured (they have caps for screw top wines). The capsules are a bit pricey, but it does the job. Another alternative is to reuse a 375 ml bottle. Open a 750, pour half into the 375, filling it as much as possible, then cork it, while you enjoy the other half. Of course you'll need a way to keep track of wine is in the 375. And putting a partially filled bottle, yes, even a red, in the fridge will help as the wine oxidizes more slowly at lower temperatures.

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