It’s reliable.
In winter, one can often see a scene in which sanitation workers sprinkle salt on snow. This is not because sanitation workers are playing romance, but because salt can reduce the freezing point of water and prevent roads from freezing to a certain extent.
On the other hand, the ice can thaw at sub-zero temperature, thus accelerating thawing.
但是, 还得提防盐超标, 先用流水冲冲再烹调.