Hint: It might not be as long as you think.
Enjoying aglass of winewith company, but the bottle isn’t empty at the end of the night?
Unfortunately, once youuncork the bottle, most wines will only last a few days.

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My rule of thumb for still wines is no more than 48 hours, he says.
For sparkling wine, I think no more than 24 hours with a champagne style stopper, says Chabot.
I usually see a decline within 6-12 hours in the quality of the bubbles.

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What Affects The Shelf Life Of Opened Wine?
The age of a wine is one of the main things that impacts its shelf life once open.
A younger wine can withstand being open longer.

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Another factor are those qualities that become softer with decanting or age.
On the other hand, less age-worthy wines tend to maintain their same quality days after opening.