1, flour washing sediment
First, put the bought crayfish into a big basin. First, simply wash off the sediment on the surface with clear water, and then add a proper amount of flour to the basin to help clean the sediment on the surface of crayfish with the viscosity of flour.
If you are not in a hurry, you can soak the crayfish in water for a day. The life of the crayfish is tenacious, even if it is soaked for a day, it will not die. After soaking, the crayfish will spit out the impurities in the body. At this time, cleaning is more convenient.
2, salt, vinegar soak sundry
Secondly, add a proper amount of salt, stir it evenly, let it stand for half an hour and then wash it again. When cleaning, you can wear gloves to prevent it from being pinched by crayfish pliers. After filtering out the dirty things, add a proper amount of white vinegar and soak it for at least one or two hours to filter out some impurities spit out from crayfish, and rinse every crayfish with a small stream of water.
3, brush washing
Then prepare a clean big basin, brushes and scissors, pour clean water into the basin, put on rubber gloves, and brush the head, abdomen and tail of each crayfish with a brush. Crayfish can be brushed several times, then carefully washed with clear water and put into a basin for later use.
4, scissors to deal with internal organs
Finally, the head of the brushed crayfish is treated with scissors, and the scissors cut a hole downward at a 45-degree angle at one third of the head of the crayfish, which contains black cystic objects and yellow shrimp yellow, and clean up the undigested dirty things of the crayfish. When cleaning the head, the gills on both sides of crayfish can be removed together, so as to avoid accidentally eating dirty things with shrimp yellow when eating.
When processing the shrimp line, we can turn the belly of crayfish up, find the crustacean in the middle of the tail of crayfish and hold it, then screw the tail half a turn and gently pull it out, and the shrimp line of crayfish is processed.