1, baking soda to clean crayfish. All the friends who have used baking soda know that baking soda itself is an object with very strong decontamination ability, so what should be done to clean crayfish with baking soda? First of all, after buying crayfish, it is necessary to soak crayfish in salt water for 2 hours, and it is appropriate to soak shrimps in water. At the same time, it is suggested that you can use "baking soda+citric acid" when cleaning crayfish with baking soda, and the effect is very good. Vitamin C is mainly used for preservation. Baking soda is edible alkali.

2, toothbrush cleaning method. Toothbrush is also a common tool for brushing teeth. It can also remove the black dirt on crayfish's body. The hair on the front of the toothbrush should be hard. We should clean crayfish with baking soda according to the first operation method above, and then brush it with toothbrush. Toothbrush can carefully brush the body, limbs and claws of crayfish. Although this is time-consuming, in order to eat safe and bacteria-free crayfish,

3, white vinegar and salt. When cleaning crayfish, you can put some white vinegar in it, and the process of soaking crayfish in white vinegar should not be less than half an hour at least. The reason why I suggest that you soak crayfish in white vinegar is because white vinegar is an acidic seasoning containing acetic acid, and vinegar and salt are both standing condiments. As long as you master a certain proportion, you will be more worry-free and labor-saving when cooking crayfish at home.