1, the wine is open 1 month, so you can't drink it. It is recommended to drink the opened red wine within 1 week. If the wine is left for a long time, it will be oxidized and turned into acetic acid. If you can't drink it after opening it, you should vacuum it and save it. If it really doesn't work, change to a small bottle, so there will be less air in the bottle.

2. It is suggested to put the red wine horizontally, keep the bottle stopper in contact with the wine and seal the wine. If the bottle is upright, the cork will dry and thin over time, which will oxidize the wine. Open the cork of the wine you want to drink a few hours in advance and stand upright, so that the sediment will fall to the bottom of the bottle.

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