Jim Yanik wrote:
"William Sommerwerck" wrote in
:

Yes. The best way to clean it up is with household ammonia on a cotton
swab. You should then use alcohol for a final "flush".



neutralize alkaline with an acid;cheap household white vinegar is effective
and widely available.

Ammonia is nasty compared to vinegar.

Nasty or not it is also not acid, but alkaline.