Removing rust with phosphoric acid the easy way
If you're staring at a pile of corroded metal in your garage, removing rust with phosphoric acid is probably the smartest move you can make to save those parts. It's one of those workshop secrets that sounds a bit intimidating at first—mostly because "acid" sounds like something out of a chemistry lab disaster—but it's actually a very manageable and effective process for anyone working on a DIY project. Whether it's an old bike frame, a set of hand tools you found at a yard sale, or some car parts that have seen better days, this stuff works wonders. ...