eschlwc

i use the naval jelly from loctite in the small 8 oz size. i leave small bits in the bottle for five minutes, remove them, inspect, and will drop them back in, if, after scrubbing them under water, they still have rust. you can leave them in too long, especially if they have some coating on the metal.

i get mine at the small hardware store, 'cause home depot doesn't carry the small container size.

always use naval jelly with open ventilation. breathing only a little bit, will give you a headache. you can get it on your hands for very brief periods, like ten seconds. then wash them thoroughly.

i try to reuse as much as possible, avoiding discarding the acid as much as i can (and also avoiding polluting the water). i don't care if there is dirt or a little bit of water in the bottle.

this stuff is one of my best tools in rebuilding a bike.