Distilling fermented Concord grape juice - What's happening in the field?

What's happening in the field?

At the Missouri State Fruit Experiment Station

Distilling fermented Concord grape juice

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Karl and CJ are distilling the fermented grape juice from the Concord grapes that were picked. They are deciding when to cut from the heart (the distilled spirit with a nice fruity nose) to the tail (the distilled spirit that smells like old shoes and is not good to use for eau de vie or brandy).

Determining when to cut from the heart to the tail in the distillation of Concord fermented juice.
Determining when to cut from the heart to the tail in the distillation of Concord fermented juice.