Hearing a Wine's Acidity

This apparatus, a Cash still, tests a wine's acidity.

hide captionThis apparatus, a Cash still, tests a wine's acidity.

Tom Taylor

Patrick Taylor of Cuneo Cellars in Carlton, Ore., lets us listen to the sucking sound of a Cash still, which is used to detect acidity in wine. He explains how it works, what causes the vapors that make the gurgling and sucking noises, and why it is important to do this test.

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