How long does Sparkling Water last?
How long does Sparkling Water last? fridge 2–3 days (fizzy). Plus spoilage signs, sources, and an unopened-vs-opened note.
Quick answer
Sealed / unopened: 1 year (sealed)
Signs Sparkling Water has gone bad
- Doesn't really spoil — just goes flat.
- Off plastic taste if stored very long is the main quality issue.
Discard immediately if
- Bottle is bulging
- Visible cloudiness or particles
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.
Get a heads-up before it expires. Search the full database instead.
Frequently asked questions
How long does Sparkling Water last?
In the fridge: 2–3 days (fizzy). Sealed / unopened: 1 year (sealed). It won't go bad, but goes flat quickly. Press plastic wrap over the top to help retain carbonation.
How can you tell if Sparkling Water has gone bad?
Signs that Sparkling Water has gone bad: Doesn't really spoil — just goes flat; Off plastic taste if stored very long is the main quality issue.
What does the date label on Sparkling Water mean?
Sparkling Water 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.
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.