"williamhenry" wrote:
if you wanted to spray something on 180 degree thin aluminum that would
eat
holes in the said aluminum ,what would do it the fastest? other than
mercury
sulfate, thanks

Ferric chloride will eat aluminum up pretty handily. I found this out as a
kid when I didn't have a plastic container for etching a PCB, so instead I
used an aluminum tray. Oops.

Jon