Negative practitioner evidence: a technically effective clarification or washing process can be sensorially destructive to aged whiskey.
Arnold describes tests on aged, polyphenol-rich spirits after discussing milk washing for astringent ingredients.
Arnold reports that milk washing bourbon, rye, and brandy stripped oak flavor and color far beyond his preferred endpoint.
PDF sheet 348
PDF sheet 348
Washing — Milk Washing
Fresh audit 2026-10-01 after completed 540-page textual and visual reading. PDF 348: negative milk-washing result is explicitly Arnold's sensory judgment, not categorical proof that washing always destroys whiskey quality.
Evidence
Arnold reports that milk washing bourbon, rye, and brandy removed oak flavor and color well beyond his preferred endpoint.
Research annotation
Negative practitioner evidence: a technically effective clarification process can be sensorially destructive to aged whiskey.
Locator and verification
Paraphrase verified on rendered PDF sheet 348, Washing — Milk Washing.