How long does Mountain Dew take to get rid of rust?

Mountain Dew contains citric acid and carbonation, which can help break down rust to some extent, but it is not a highly effective rust remover compared to specialized products. The time it takes for Mountain Dew to show any effect on rust can vary based on the severity of the rust and the duration of exposure, typically requiring several hours to soak. For best results, it's advisable to use dedicated rust removal products or methods.