Generally speaking, the dead flower armor can not spit out the sand by itself.

The flower armor spitting sand is the flower armor in the open shell closed for air, the flower armor is dead and can not take the initiative to change the air, also can not spit sand, this time can only rely on the power of manpower to open the shell of the flower armor, and then use the water to the flower armor in the sediment flushed away.

The dead flower nail will boil open shell

The dead flower nail is generally not boil open shell.

A live flower nail will open its mouth to breathe, and the flower nail will close its shell to better protect itself, these processes need to rely on the flower nail's own tendon tissues to stretch and contract to complete the process. After the death of the flower armor, has completely lost the perception of the outside world, the tendons have been in a state of contraction, with boiled is not open shells, generally need external force to make the dead flower armor open shells, which is also a way to determine whether the flower armor is fresh.

If you buy back the dead flower armor, it is not possible to let the flower armor itself spit sand, you can use the dead flower armor with a tool to open the shell of the flower armor, and then repeatedly rinse the flower armor with water, the feces and sediment can be rinsed clean, the general flower armor bought back to be preserved in lightly salted water, otherwise the flower armor away from the water or preserved in freshwater is very easy to die, the dead flower armor taste will be affected, to remove the inside of the flower armor to be preserved. The taste of the dead flower armor will be affected, to remove the sediment inside is also very troublesome.

You can add a proper amount of sesame oil in the salted water where you store the flower armor.

If you directly put the flower nail in the salt water, the process of spitting sand will be slow, spitting sand time will be very long, if you add a few drops of sesame oil in the salt water, the oil in the water to form a film on the surface, it will affect the oxygen into the flower nail and in order to absorb the oxygen, it will increase the number of times shells are opened and closed, spitting sand will be faster and cleaner.