Can you use pineapple or kiwi juice to de-ice a car window?

Pineapple juice is not a de-icer nor an anti-freeze. It has an ingredient (bromelain) that disrupts gelatin’s ability to set.

If you pour juice on a window to de-ice it, you will end up with a slushy mess and the acid will probably ruin your paint job.

@zenvelo Bromelain . Thanks

I’ve had better luck spraying antifreeze from a spray bottle. Gotta make sure the runoff is not available for animals to lick up. It tastes sweet, but is toxic.

Sounds like a way to get your window motor clogged with juice residue, and to get frozen slime on your window, to me.

This question often crops up on Internet forums but never with a definitive answer as no one has ever been insane enough to try it.

I am missing the chain of reasoning. I would think that, if anything, the reasoning would be that siince the juices prevent Jello from setting then they act as disrupters and would act to break up the ice.

@LostInParadise Disrupting the setting of gelatin (coagulation of a protein) does not have an effect on the melting point of ice.

Your reasoning is what led the OP to ask the question in the first place.

It’ll make your windshield all sticky. Pour boiling water on it

@zenvelo , My mistake. I thought that the OP was assuming that the juices would not work as de-icers. It is an interesting analogy even if it is in fact totally unrelated.

Just for the heck of it I did a Web search and found that beet juice combined with salt works better than salt alone for de-icing roads. No mention of pineapple or kiwi juice.

Wouldn’t beet juice turn white cars purple?

They mentioned for road de-icing.

But the slush gets thrown up the side of the cars as they drive through it.

I would think rubbing alcohol would make a good de-icer., and it’s a lot cheaper than juice. But would it tear up the paint job?
I always just poured hot water on the window then wiped it dry with a towel.

My dad cracked his windshield using hot water while trying to melt ice on a cold winter day. I’ve heard that it was less risky to use cold water, but one would think that you would accumulate a bunch of ice at the bottom when done.

Well, if you had the car running and the defrosters on it shouldn’t accumulate ice. You just want to make sure the windshield is dry before you start driving.