Pulling the receipt…
Pulling the receipt…
MEBRO
10/15/26 · 4:29 PM UTC · 10 SOURCES
“Coca-Cola can remove rust from iron or steel objects.”
MEDIUM CONFIDENCE
TL;DR ·Coca-Cola's phosphoric acid can loosen and remove rust, though it works weakly.
Coca-Cola can remove rust from iron or steel objects. Snopes, the highest-credibility source here, notes that carbonated soft drinks are moderately useful for tasks such as removing stains and dissolving rust . Several general-web sources agree that the active ingredient is phosphoric acid, which converts iron oxide into ferric phosphate that is darker and easier to scrub off . A hobby experiment reported rust disappearing from rusted cloth after soaking and scrubbing in cola . Several outlets also say it can clean rust from car metal surfaces . Caveats: the effect is modest. A machinist forum says it works but is poor compared with dedicated phosphoric acid rust treatments . The rust is chemically converted rather than simply dissolved . Some sources attribute the effect to carbonation, which is a weaker explanation . These caveats concern effectiveness and mechanism, and do not contradict the claim that Coke can remove rust. Most sources are moderate-credibility, with only one high-credibility source .
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