1, hairtail can be frozen for a week after washing. Wash the bought hairtail, control the moisture, cut it into small pieces, then put a little salt on it and freeze it in the refrigerator, and seal it with ice cubes. The temperature is controlled at 0-7℃. If the temperature is too low, it will destroy the nutritional structure of hairtail, and if it is too high, the ice cubes will melt. It can be stored in the refrigerator for a long time, and it is no problem for a week or two.

2. The longest shelf life of frozen meat and its meat products is one year at minus 18 degrees. Household refrigerators, often open and close the door, rummaging through things, the temperature rises and falls, can not guarantee a constant temperature, so the shelf life should be shortened accordingly, as long as it is well closed, generally two or three months will be no problem. Quick-frozen seafood with ice is no problem for one year as long as it remains frozen and has not been thawed.