15-20 minutes. Stewing crucian carp soup, usually need 15-20 minutes can be, at most not more than half an hour, so as not to affect the taste, reduce the nutritional value, likewise, can be combined with the specific situation, personal taste, if the crucian carp's head is larger, you need to boil for a while longer, like the soup base thicker, likewise can be stewed for a period of time, but not more than 30 minutes is appropriate.

15-20 minutes. Stewing carp soup, generally need 15-20 minutes, at most not more than half an hour, so as not to affect the taste, reduce the nutritional value, the same, can also be combined with the specific situation, personal taste, if the carp head is larger, you need to simmer for a while, like soup soup soup, if you like to thicker, you can also stew for a period of time, but should not be more than 30 minutes is appropriate.