1. If you don't use the marinade for a long time, you can divide the marinade into multiple portions and freeze it in the freezer. Wait until the next time you want to use it, then remove the ice and put it in the boiling water.

2. Refrigeration method: Boil salt water, filter out impurities with gauze, then boil it, let it stand and cool, seal it with plastic wrap and put it in the refrigerator for safekeeping. The storage place of brine should be ventilated and breathable, and there should be no stove beside it, nor should it be placed in a cold and hot environment. When placing brine, it needs to be erected to keep the air circulation at the bottom of the brine barrel away from the ground gas.