| Re: Liquid Wrench
Sheldon Brown wrote:
>> An acid solvent might work its way in there but I doubt it.
>
> Ammonia is good for this...I believe it's a base, not an acid.
Aqueous ammonia is indeed alkaline [a base], and it is corrosive to
aluminum; but a less toxic corrosive is vinegar [dilute acetic acid].
--
"Bicycling is a healthy and manly pursuit with much
to recommend it, and, unlike other foolish crazes,
it has not died out." -- The Daily Telegraph (1877)
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