On Sat, 27 Oct 2007 10:02:59 -0500, Peggie Hall
wrote:

Urine can be alkaline or acidic...doesn't seem to matter in a metal
holding tank.

Well who'da guessed! Dilute uric acid alkaline! I picked out the
Corning pH meter, all set to put it to the test.
But the 3 volt lithiums need changing. Oh well.

I have this hunch that waste water rendered slightly high pH
of neutral would help a tank to survive.

Waste and water have about the same pH...7-9..

??

Thanks for responding

Brian W