Only situations with a published figure are listed. A blank isn't “forever” — it means no reliable number is published for it.
Storage
Store at: Shelf-stable cartons in the pantry unopened; refrigerate after opening and use within 7–10 days
Refrigerate after opening: Yes — refrigerate at 40°F (4°C) or below
Tip: Shelf-stable (aseptic) cartons keep in the pantry unopened until the printed date; refrigerated cartons keep to their date. Both need refrigeration once opened — USDA FoodKeeper gives 7–10 days after opening.
USDA FoodKeeper + manufacturer guidance tip (refrigeration): Keep refrigerated.
How to tell if Almond milk has gone bad
Sour or off smell
Thick, clumpy, or curdled texture
Bloated or swollen carton
Bitter taste
USDA FoodKeeper + manufacturer guidance publishes no spoilage note for Almond milk specifically, so these are the general signs for beverages — never taste something to test it. When in doubt, throw it out.
Air and warmth are what shorten an opened item's life — the right container buys back the days the packaging gives up once the seal's broken.
About 7–10 days refrigerated at 40°F (4°C) or below, according to USDA FoodKeeper + manufacturer guidance. Refrigerate it once it's open.
Does Almond milk need to be refrigerated after opening?
Yes — keep Almond milk at 40°F (4°C) or below once it's open. Shelf-stable cartons in the pantry unopened; refrigerate after opening and use within 7–10 days.
How can you tell if Almond milk is bad?
Look for: Sour or off smell; Thick, clumpy, or curdled texture; Bloated or swollen carton; Bitter taste. Those are the general signs for beverages — USDA FoodKeeper + manufacturer guidance publishes no spoilage note for Almond milk specifically. Never taste something to test it — when in doubt, throw it out.