1, crushed ice preservation: you can put the grouper in a box and then lay it with crushed ice, which can keep the grouper fresh.

2, quick-frozen preservation: using quick-frozen method to preserve grouper is a better way to keep fresh, as long as after thawing, grouper will be revitalized, and the taste will not drop too much.

3, freezing: if you want to keep the grouper for a long time, you usually use the freezing method, that is, put the grouper into the freezer and freeze it, and the temperature is adjusted to -18 degrees Celsius, but it will make the grouper's taste decline.