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How long does milk, ultra-pasteurized last?
Milk, ultra-pasteurized keeps for about 1 to 3 months in the refrigerator. Counted from when you open or store it, unless the package says otherwise.
| Where | How long |
|---|---|
| Refrigerator | 1 to 3 months |
| Refrigerator, after opening | 7 to 10 days |
Storage times are the USDA FoodKeeper guidance for quality and safety, not a guarantee; a printed use-by date on the package comes first. Source: USDA FSIS FoodKeeper (CC0), fetched 2026-10-27, category Shelf Stable Foods.
How Known uses thisWhen a receipt lists milk, ultra-pasteurized, Known estimates an expiry from the purchase date and typical shelf life and shows which rule it used, for example "7-day rule". Shelf-stable staples get no date at all.
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