Refrigerating these 17 foods can be harmful to your health!

16. Fish

Fish in the fridge should not be stored for too long, household refrigerator refrigeration temperature is generally -15℃, the best refrigerator can only reach -20℃, and aquatic products, especially fish, in the storage temperature does not reach -30℃ below, fish tissue will be dehydrated or other changes, such as mackerel long-term refrigeration, it is easy to appear fish acid, meat changes. Best to buy fresh fish and eat immediately!