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  • 9 minutes ago
Have you ever noticed tiny crystals in your wine glass or on the cork? In this video, learn what wine diamonds—also known as tartrates—are, how they form, and why these harmless crystals are nothing to worry about.
Transcript
00:00Have you ever thought your wine was crunchy?
00:02Don't panic.
00:03Those tiny crystals are called wine diamonds or tartrates.
00:06When a wine gets cold, tartaric acid,
00:08which is naturally found in grapes,
00:10can bind with potassium and form little crystals.
00:12While they may come as a surprise,
00:14they're completely harmless.
00:16Wine diamonds are not a reason to send your wine back.
00:18It's just some harmless wine chemistry at work.
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