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Most store-bought windshield de-ice sprays work well, but they are more expensive than making your own. These steps for quickly defrosting your icy windshield will help you be on your way to your destination quickly.

Homemade De-Icer Spray

Option 1- Isopropyl alcohol and water windshield de-ice spray: Combine two parts 70% isopropyl alcohol and one part water in a spray bottle. Since this liquid has a freezing point of 5 degrees—as opposed to 32 degrees for water—applying this solution to your icy windshield has a fast effect.

Option 2- Saltwater de-icer spray for the car: Pour water into a spray bottle and add a scoop or two of salt. Since salt water has a lower freezing point than fresh water, it starts to melt the ice on contact. Road salt is even more effective than table salt in this recipe.

TIP: No matter what type of de-icer you use, store it at room temperature in your house, not in the trunk of your car.

TIP: Never attempt to remove ice from your car by dumping a bucket of water on it. Warm or hot water could cause the glass to crack due to thermal shock. Even cold water is a bad idea because it could freeze on contact, making your problem even worse.