On Apr 15, 10:37*am, rangerssuck wrote:


I've read in several places that alum works wonders for disolvin taps
in non-ferrous metals. Haven't tried it yet, but here's some reading:http://www.homemodelenginemachinist....hp?topic=270.0

I have read that aluminum sulphate also works. You can get the
aluminum sulphate at garden centers. It is used to make soil more
acid.

Dan