How can you tell if Brewed Tea has gone bad?

Signs that Brewed Tea has gone bad: Stringy bacterial growth (harmless but unpleasant); Sour fermented smell, slimy texture, off taste.

What does the date label on Brewed Tea mean?

Brewed Tea usually carries a "Best By" date. A quality marker — the product is at peak quality before this date, but it’s safe to eat afterward if stored correctly. See our date-labels guide for the full breakdown.

Beverages

How long does Brewed Tea last?

Q: How long does Brewed Tea last?

In the fridge: 3–5 days. Sealed / unopened: N/A. Brewed tea can develop a stringy bacterial growth (harmless but unpleasant). Use within 5 days.

High confidence Quality concern

How long does Brewed Tea last? fridge 3–5 days. Plus spoilage signs, sources, and an unopened-vs-opened note.

Fridge

3–5 days

Pantry

Refrigerate only

Freezer

Not recommended

Sealed / unopened: N/A

Signs Brewed Tea has gone bad

Stringy bacterial growth (harmless but unpleasant).
Sour fermented smell, slimy texture, off taste.

Discard immediately if

Bulging or pressurized container
Sharp sour smell
Curdled or chunky texture

Why guidance varies

Pasteurization method (HTST vs. UHT vs. cold-pressed), preservative content, and container type (carton vs. plastic vs. glass) all change shelf life dramatically.

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Sources for this answer

A USDA FoodKeeper — Storage windows and refrigeration guidance for this category.
A FDA — Are You Storing Food Safely? — Date-label interpretation and food-safety baseline.

Reviewed: 2026-05 · Rule: if manufacturer storage instructions are stricter than category guidance, the manufacturer instructions win.