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Use a small cloth bag instead of a glass jar for a mess-free alternative. Fill the bag with salt and tie it closed.
Add activated charcoal to the salt to absorb odors as well as moisture.
For winter use, combine salt with rice — rice also helps absorb humidity and works well in damp environments.
Frequently Asked Questions:
Q: What’s the purpose of putting salt in the car?
A: Salt is hygroscopic, meaning it naturally absorbs moisture from the air. This helps reduce condensation inside your vehicle, prevents foggy windows, and can reduce musty smells — especially in colder months.
Q: Will it work in hot climates too?
A: Yes! In humid regions, salt can help pull excess moisture from the air, keeping your car’s interior fresh and less prone to mold or mildew buildup.
Q: Is it safe to leave salt in the car?
A: Absolutely. As long as the container is stable and the salt is not in direct contact with any surfaces, it’s safe. Just be sure the container won’t tip over and spill.
Q: Can I use scented salts?
A: Yes! Scented Epsom salts or added essential oils are a great way to combine air freshening with dehumidifying.
Q: How do I know when to replace it?
A: If the salt starts to clump or becomes damp to the touch, it’s time to replace or dry it out.
This simple hack is low-effort, affordable, and surprisingly effective. Whether you’re dealing with foggy windows, bad odors, or just want a fresher car environment, a humble glass of salt might be the best co-pilot you didn’t know you needed.
Let me know if you’d like a printable version or a visual graphic to go with this!
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