Q&A for How to Clean Rusty Coins

Yes you can use coke instead, because it has also has acids that remove the rust and tarnish.

Yes, those should be fine.

The bank would probably accept them as they are. You shouldn’t need to clean them.

You can’t clean bank notes with this method, since this method is specialized for metal. It would probably cause the color to fade or even damage the note itself if it is left for too long.

The coins have been damaged by the vinegar. That's why, in almost all cases, you should avoid cleaning coins.

The water might rust your coins, but only if you decide to freeze the water while the coin is in there.

Generally speaking, once a coin is valueless, it can't be made more valuable. Cleaning coins will remove any residual value. Once a collectible coin is heavily dirtied, it's value is essentially sentimental.

No. That will increase rust.

That would depend on the price of the coin.