2 back and forth shaking: find a larger, with a lid pot or box, put the shells in, pour a little water, no more than can be, and then use your hands to keep shaking the container back and forth, moderate strength, not too big, or the shells of the clams will be crumbled, the appearance of the sale is not good. Shake two minutes later, the clams fainted, will spit out a lot of sediment, wash with water and then shake, repeated three times is almost.
3 blanching: this method is the most direct, the most thorough removal of clams in the sediment method, but if you use the clams to make soup, it is not recommended to use this method, the freshness will flow. It can be used for stir-frying clams. Put the clams in a pot of boiling water, cover the pot, and fish them out after a minute. Rinse the clams again with water to thoroughly clean the mud from the clams, drain and set aside. With this method you can remove the mud without any reservation.
Note: If you can place an isolation net in the middle of the clams and the bottom of the container, so that the clams and the bottom of the container to leave a certain space, the sediment will sink directly to the bottom, and it will be more helpful for the clams to spit out the sand.