1. If you have more time, you can fill the basin with warm water. If the water is cold, the clams will not be happy to spit out the sand. Put in the oil and saltpeter, the amount of oil and saltpeter depends on how much water is in the basin, if there is more water, put in more.

2. After two to three hours of standing, you will see that most of the clams have opened their shells and the water is cloudy, which is when the step of removing the sand from the clams is completed.

Method 2

1. Pour some more water into the pot and put in the clams, preferably with some oil and salt.

2. Then use your hands to stir the water back and forth in the pot, let the clams shake back and forth, shake the clams dizzy it spit sand.

3. Finally, stop stirring to see if the pot of water is not dirty and unclear, yes, then pour off and continue to stir, not to continue to stir, in short, to spit it out until the sand, so repeated a few times, a few minutes to spit the sand clean.

Method three

1. Pour the pot full of water, and then put the clams, and wait for it to boil

2. Wait for the pot of water all open, the clams are all open shells, the water is poured out, rinse with water once, the sand will be cleaned up, but this will affect the fresh flavor of the clams.