How long can you keep live crab before cooking?

Online Answer
So, how do you keep blue crabs alive? To keep blue crabs alive, store them inside of a cooler or bushel basket in a damp, chilly, and well-ventilated area. Blue Crabs can last up to 24 hours out of the water as long as they are kept cool and moist..
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First of all, the vinegar will reduce the boiling point of the water present in your steaming pot, thus helping you to steam your crabs quickly. It will allow you to serve the crabs in a better way whenever you are in a hurry.
5.) Once the water has started to boil again, reduce the heat and simmer for the required time. The cras shell should turn a bright orange when done..