There are certain signs to look out for when purchasing frozen shrimp. Shrimp that’s past their sell-by or best-by date should be discarded. Shrimp that’s slimy or discolored is most likely bad, possibly due to bacteria growing inside the shell. If the shrimp isn’t slimy, it’s likely to have been exposed to chemicals in the processing process. The last thing you want is to have to throw away your shrimp because it’s already bad.
How to Tell If Frozen Shrimp is Bad?
Put the frozen shrimp in the fridge to completely defrost.