Spraying a mixture that vinegar and also water on her car"s windshield may aid prevent the glass from frosting, yet it most likely won"t aid clear currently iced-over glass.

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Published17 November 2013

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What"s TrueSpraying a mixture the vinegar and also water on your car"s windshield may aid prevent the glass indigenous frosting.


What"s False

Spraying a mixture of vinegar and water on her car"s windshield most likely won"t help clear currently iced-over glass.


Claims around using a mixture of vinegar and also water to eliminate ice from a car’s windshield normally hit the internet every year approximately the time the the very first freeze in mid- to late-autumn and during huge severe winter storms. In recent years this advice has actually been widely spread out as information saying that spraying vinegar and also water (mixed in a 2:1 or 3:1 ratio) will eliminate ice indigenous an currently iced-over windshield:

I read that the mixture the 2/3 vinegar and 1/3 water mixture to acquire ice off your vehicle windows will certainly pit the glass. True or false?

This tip originated not as a de-icing an approach but rather as a way of stopping ice from building up top top a windshield in the very first place, as detailed in a 1992 newspaper advice column:

Q: I keep my vehicle outdoors at night during the winter. Ns use one of those cardboards on the windshield, but it quiet ices and frosts up. What can I carry out to protect against this?

A: dive a sponge or towel into a equipment of three components of one of two people white or yellow vinegar to one component of water. The windshield need to stay ice-free. Repeat occasionally.

A 1980 “Hints from Heloise” column advocated the exact same idea:

Looking in ~ the world through cloudy, streaked windows? Clean them with a mixture the vinegar and water. Exact same with the windshield. Vinegar likewise helps retard frost on those cold mornings if you pour it top top the windshield the night before (three components cider vinegar to one component water).

As for whether a mixture the vinegar and water will job-related to eliminate ice that has actually already collected on a windshield, a variety of those who have actually tried that have uncovered that the concoction doesn’t really seem very effective for the purpose:

The concern of whether this technique of ice avoidance will without doubt pit windshield glass is a matter of contention, through some cautioning that does:

Pour a mixture that vinegar and water on the windshield so the it freezes come the glass prior to the rain does, thereby preventing ice. Unfortunately, vinegar eats pits into the windshield glass.

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However, rather assert vinegar is generally used in glass clean solutions and also ordinary family vinegar is much too weak a form of acetic mountain to produce this sort of damage:

Very few acids will certainly dissolve glass — that’s why they save them in glass bottles. Does her vinegar bottle look pock-marked?

Windex (and other glass cleaners) are normally 5% ammonia in some kind of volatile solvent, with some detergents and also other chemicals. The more environmentally-friendly variants change the ammonia with acetic acid. A equipment of 5% acetic acid (typical white vinegar) no going to hurt anything that 5% ammonia wouldn’t.

Yet others note even if vinegar doesn’t harm windshield glass, the might cause damage come paint, chrome, or other exterior surfaces, therefore it have to be supplied on automobiles v caution and wiped up promptly if spilled.

In general, we’ve found no consensus around how reliable the usage of a vinegar-water mixture to eliminate or stop windshield ice might be, or whether it carries a potential risk that outweighs that benefits. However, there room a selection of other approaches for managing windshield ice cream that chauffeurs can employ, including the use of commercialice and also frost prevention sprays: