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Have a bolt that you budge? Pour some cola on it and let it set for a few minutes. Then try removing again. The cola will eat away at the rust and often make it easier to turn.
Forget those expensive rust removers. Just saturate an abrasive sponge with Coca Cola and scrub the rust stain. The phosphoric acid in the coke is what gets the job done.
By Dawn Sposato
Wow! Can you imagine what that stuff must do to our stomachs? !!!! :)
Actually, your stomach is full of hydrochloric acid, making the coca cola puny in comparison to your own stomach juices.
Think of that the next time you think mucus is gross. In the form of a stomach lining, it's all that stands between you and eating yourself from the inside out.
I think I saw this one on Mythbusters and it didn't work as well as they thought. For removing rusted bolts use Kroil Oil, it's a super penetrant but it needs to work over a 24 hour period.