Put 1 Glass of Salt in Your Car: The Surprising, Science-Backed Hack Every Driver Needs to Know

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Meet the salt hack—a simple, cheap, science-backed trick that mechanics, RV owners, and boaters have sworn by for years.

🌬️ How It Works: Salt Is a Natural Dehumidifier (Seriously):

How It Works: Salt Is a Natural Dehumidifier (Seriously)

Salt isn’t just for fries.

It’s hygroscopic—meaning it naturally pulls moisture out of the air.

 

Leave a bowl of salt in a humid space?

It will slowly clump, harden, or even dissolve as it absorbs water vapor.

In your car, this means:Continue reading…

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