Removing ice cubes from the refrigerator only requires a plastic bottle.

Summarize
By using warm salt water to lower the freezing point of ice cubes, the frost inside the refrigerator melts quickly, effectively cleaning the ice. This is a very efficient and simple household tip that not only easily solves the problem of ice buildup in the refrigerator but also avoids damaging it.
In addition, warm salt water helps reduce the chance of frost buildup in the refrigerator and lowers the internal temperature, thus saving electricity. If you also have the problem of frost buildup in your refrigerator, you might as well try this method; it works very well.