Photo: duskbabe/Depositphotos

Every winter, salt emerges as a hero.

Local officials spread it on streets and highways to keep traffic running.

Since salt lowers the freezing point of water, it prevents ice from forming and making the roads dangerous.

Bowl of salt with spoon on top

Photo: duskbabe/Depositphotos

This recommendation to leave bowls by your windows first started making rounds in the UK.

The concept is simple.

Salt absorbs moisture from the air.

Crystaline sea salt in bowl and spoon - closeup.

Photo: weyo/Depositphotos

The bigger the window, the bigger the bowl, but still nothing too crazy.

However, you’d need a bowl for each window.

While convenient, the salt alone shouldn’t be left alone to do all the work.

Window glass with drops of condensate indoors, closeup

Photo: NewAfrica/Depositphotos

Instead, it should be regarded as an aid.

After all, salt only begins to absorb water vapor at relatively high humidity.

Ventilation is the real trick to keeping your home free of mold during the winter months.

The real trick to keeping your home free of mold during the winter months is ventilation.