Keeping a glass of salt in your car is an old trick that some people use to absorb moisture and reduce humidity, especially in areas where condensation or dampness can cause windows to fog up. The salt acts as a natural desiccant, pulling water from the air.
How it works:
- Salt is hygroscopic, meaning it attracts water from its surroundings.
- When placed in a container (like an open glass or small jar) inside a car, it can help slightly reduce moisture buildup.
- Over time, the salt may clump or dissolve as it absorbs moisture, so it needs to be replaced regularly.
Notes:
- This is a low-tech, temporary solution; it won’t replace proper ventilation or using your car’s AC/defogger system.
- Be careful with open containers: spilled salt can damage upholstery. Using a small perforated container or a sachet can be safer.
If you want, I can also give a few more effective ways to keep your car dry and fog-free in winter. Do you want me to?
