- How long does coconut water last once opened? The precise answer depends to a large extent on storage conditions — keep opened coconut water refrigerated and tightly closed.
How long does coconut water last in the refrigerator once opened? Coconut water that has been continuously refrigerated will keep at best quality for about 1 to 2 days after opening.
Is opened coconut water safe to drink after the "expiration" date on the bottle? Yes, provided it is properly stored and the bottle is undamaged - commercially packaged coconut water will typically carry a " Best By," "Best if Used By," "Best Before", or "Best When Used By" date but this is not a safety date, it is the manufacturer's estimate of how long the coconut water will remain at peak quality.
How can you tell if opened coconut water is bad? If the coconut water develops an off odor, flavor or appearance it should be discarded.
Sources: For details about data sources used for food storage information, please click here