Originally Posted by
Catnap
i use this stuff, it's totally non toxic and doesn't have any other downsides compared to OA:
+1 on Evaporust. Too expensive to buy a big enough volume to dip a frame, but it's the
best for smaller parts. It will take off any amount of rust and can be reused again and again--one container seems to last me about a year. The best thing about it is that you can soak things like brakes calipers and derailleurs that are a combination of aluminum and steel parts without damaging the aluminum.