Find a suitable foam box according to the size of the freezer, and then tie the crab's legs and feet and put them in the foam box. Put them together, try to fill one layer and then add it. Add water to the foam box until the water does not reach the surface of the crab.
Prepare a plastic bucket with a height of 30-50 cm. The inner wall of the plastic bucket is smooth and difficult to get rid of. Put the crabs in, don't pile them up, and then add water to half the height of the crabs. Mainly moisturizing. You can't bury the hairy crabs. If the water is too deep, crabs will suffocate due to lack of oxygen. When the temperature is not high, hairy crabs can be kept fresh for more than 5 days.
Method for selecte sea crabs
At first glance, the crab's carapace is blue-gray, shiny, its abdomen is white, its color is bright, there is no mark on the upper navel, and its limbs are firmly connected in an arc shape.
Second weighing: for the sea crabs whose visual appearance meets the requirements, weigh them one by one, and those that feel heavy or heavy are called fat crabs.
Three peeling: peeling off the umbilical cap of the sea crab. If the crab yolk condenses in the shell, this crab is a good crab.
Four pulls: all the legs of the sea crab are intact, and the leg of the crab pulled lightly is weak in elasticity, indicating that it is a fresh sea crab. If the crab is not fresh, gently pull the crab leg, which is not only weak, but also easy to break.