"Jerry S." wrote in message
...

"Lew Hodgett" wrote in message
link.net...
wrote:

Even an old man with prostate trouble peeing on the side of the building
will be more effective than a 1500 PSI unit.

Yes, I second the suggestion for using the old man. The acid in the pee
is
surprisingly effective, and you can rent one just about anywhere.


I like low tech, economical solutions. But this approach does seem
problematic.