Originally published at: Have you ever tried cleaning kitchen grease with Coca Cola? - Boing Boing
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I’ve heard of cleaning precipitate on your car battery terminals, have not tried.
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This is not really that new. My dad, WW2 generation, used Coca Cola to clean his windshield from bug guts. For the inside of the window he had a cloth bag filled with tobacco that he used. Those folks were pretty resourceful. He also lost all his teeth by the time he was 30, so there ya go.
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as it is widely known, sugarsolution is the best cleaning agent you can get, thats why you have to use coke, not pepsi.
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What I see is that this mixture removes recalcitrant fat. Somebody has to publicize it as the secret cheap alternative to Ozempic! /s
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The computer voices, ick.
My guess is baking soda water and soap with a scouring pad will also work.
All these miracle cleaning formulas always include let it soak an then use an abrasive.
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The true trick is to use Diet Coke to avoid the sugar residue. Good for greasy fingers too!
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Um yeah, this is one big reason I long ago stopped drinking any brand or type of “soda.”
I mean, who knows what’s in it? Why should I trust single-mindedly profit-driven corporate conglomerates to avoid ingredients that are bad for me? 
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If Coke is acidic, adding a few tbsp of baking soda is just neutralizing the acid. The acid to base ratio probably means the remaining liquid is just basic. So, skip the coke, make a paste of baking soda and water spread it on your discolored pan and let it sit for a while. Then scrub.
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I remember my dad buying a can of Coke in the early 80s (certainly pre-1985) expressly for the purpose of loosening a cotter pin on a bicycle crank. Don’t think it worked, though.
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… Mythbusters, season 1, episode 8.
tl;dw: There’s more effective products out there.
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I’ve cleaned fuzzy auto battery terminals many times using Coke. It works great, though there are better and almost-as-inexpensive alternatives available.
But, when you are a young, penniless, student with an aging vehicle, sometimes a Coke is all you have.
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Can I use this method on a cast iron pan?
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Tried Coke to clean a toilet. It didn’t. Left brown sticky residue that required extra cleanup time.
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I’m not sure, though it does sharpen my knives a treat!
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Yes. If you are looking to strip off the finish entirely and start new, Lye is a better choice. You can get 100% lye drain cleaaner, put it in a plastic container and soak your cast iron to strip it down to bare metal. Search here on Boingboing, Beschizza used to write articles about it.
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Not sure if you missed the deliberate attempt to poke the bear there 
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The manual didn’t say you shouldn’t?
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We used to put old two-pence pieces in a small amount of cola overnight.
They came up nice and shiny.
(1970’s)
Also, for some reason, haven’t tried it since.
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