Don't rush to cook the crayfish you bought. Put them in clear water for a day first, and change the water constantly during this period. This is because many crayfish grow in rivers and ditches, and the environment is complex and silt deposits, so crayfish will be polluted. Putting them in clean water is more conducive to crayfish spitting out dirty things in their bodies.

2. "Wash" again

When it comes to washing, you should never just wash it with water, because it has been kept in water for a day, so it is better not to wash it with water. Therefore, you should add these things at this time, first add 2 spoonfuls of salt, then add an appropriate amount of white vinegar, which is about10g, then add an appropriate amount of baking soda, and finally add a little high-alcohol liquor. Salt can play a role in disinfection and sterilization; White vinegar can soften crayfish; Baking soda has a good adsorption effect, which can effectively remove bacteria, parasites and dirt on the surface of crayfish. Liquor can remove the odor of crayfish. Then stir well and soak for half an hour, while stirring constantly.

3. "Brush" again

It is not enough just to "nurture" and "wash". There is also a key step, that is, "brush". After soaking for half an hour, we will be surprised to find that the water is very dirty. Then, we will hold the two big clamps of crayfish with our hands and brush the surface of crayfish with a brush or toothbrush to completely remove bacteria and parasites. Then rinse it clean. After these three steps, all bacterial parasites will be removed.

Crayfish should never be washed with clean water, but it is better not to be washed. Learn this trick 1, that is, add vinegar, baking soda and white wine, and bacterial parasites will automatically flow out, so you can feel more at ease when eating!