On Wed, 10 Dec 2008 17:18:38 -0500, Dave Brown wrote:

wrote:

Use automotive anti freeze which is better for aluminium and the
different metals than domestic plumbing stuff.

Which is also toxic and illegal. Use the non-toxic kind. Walmart has
it in the RV section.

You didn't read the link did you? ;-)

One more time:

http://brownsmarina.com/tech-af.html

Where do you get the Propylene Glycol? That's what is
used in fog machines.