How long does Fish sauce (opened) last in the fridge?

Fish sauce (opened) lasts 2–3 years in the refrigerator. Refrigerate promptly in airtight packaging on the coldest shelf.

How do you know if Fish sauce (opened) has gone bad?

Fish sauce (opened) has likely gone bad if you notice discolouration or mould; sour or off smell; slimy or mushy texture. When in doubt, throw it out.

How long can Fish sauce (opened) sit out before it goes bad?

Fish sauce (opened) should not be left out more than 2 hours (1 hour above 90°F / 32°C). Refrigerate promptly.

How Long Does Fish Sauce (Opened) Last?

Q: Can you freeze Fish sauce (opened)?

Yes, Fish sauce (opened) can be frozen for 1 year.

Fish Sauce (Opened) keeps 2–3 years in the refrigerator and 1 year in the freezer, according to cited USDA/FDA storage references.

2 cited USDA/FDA/FSIS sources
Editorial review · Verified June 2026

2–3 years

Safe range

1 year

Safe range

Only storage locations with source-backed entries are shown; a missing freezer or pantry card means FoodLasts does not have a supported value.
No after-opening tab appears unless the source data has a separate opened value.

Based on USDA/FSIS guidance:

Refrigerate opened condiments such as mayonnaise and salad dressings; cold storage slows spoilage after opening.

The cited storage data lists 2–3 years refrigerated for this food. Source

When in doubt, throw it out. Do not leave perishables out more than 2 hours.

How to tell if it's gone bad

Look:Discolouration or mould
Smell:Sour or off smell
Texture:Slimy or mushy texture

When in doubt, throw it out. If Fish Sauce (Opened) smells, looks, or feels off — discard it. Food poisoning is not worth the risk.

Can you freeze Fish Sauce (Opened)?

Yes.Fish Sauce (Opened)keeps 1 yearin the freezer when stored in airtight packaging.

How to store Fish Sauce (Opened)

Keep Fish Sauce (Opened) covered in the refrigerator. Use the refrigerator duration shown above for this food state.
Package Fish Sauce (Opened) tightly for the freezer and label the stored date. Use the freezer duration shown above for this food state.

Storage tips

Refrigerate promptly in airtight packaging on the coldest shelf.

Is it still good?

Enter when you bought or opened it and where it's stored.

Common questions

How long can Fish sauce (opened) sit out before it goes bad?: Fish sauce (opened) should not be left out more than 2 hours (1 hour above 90°F / 32°C). Refrigerate promptly.

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