Dry & reuse: Spread used salt on a baking sheet and bake at 200°F for 20 minutes to evaporate moisture—then reuse!
Don’t use rock salt or coarse sea salt—fine table salt has more surface area and absorbs faster.
Pro Upgrade: Make a “Supercharged” Moisture Absorber
For high-humidity climates, pet owners, or rainy-season driving, boost your salt’s power:
DIY Car Dehumidifier Jar: