And for those in Britain:
Shield Technology - Guarding Against Corrosion
Claims to remove ONLY rust and also "cleans and brightens" brass and nickel plating.
Anyone up for a "consumer report"?
Found an ad for the stuff in the British"Woodworker and Woodturner" magazine. ( Good Woodworking Magazine and The Woodworker Magazine )
Now to find similar in the antipodes.................