Is that Glass in my Wine?!

Those clear sand or shard-like deposits, usually seen in white wines and collected on the cork, are tartrate crystals. These form when the tartaric acid naturally occurring in all wine solidifies at very cold temperatures. Don’t worry, you’re not drinking glass; they are completely harmless and won’t affect the wine’s flavor.

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Anna, a Minnesota native, graduated from the University of Wisconsin-Madison where she studied Marketing and Digital Studies. She is a lover of traveling and scuba diving, trying new restaurants, exploring New York City, and of course all things good wine and cocktails!

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