Run a pH test on plain Simple Green and you will find that it is alkaline as
hell. The aircraft version is fairly pH neutral AND has been approved by
Boeing for use on aluminum.

Jim


"three-eight-hotel" wrote in message
ups.com...

I've been using the standard Simple Green, you can purchase from just
about any store, for about 3 years now... I wasn't aware that they
made and "Aircraft" specific brand...