On Jan 27, 2:48*pm, "Existential Angst" wrote:
Awl --

From a site I found (and mentioned, iirc, by a poster in the previous
thread), good info.

http://www.waterheaterrescue.com/pag.../Longevity/wha...

Here's a neat alternative to magnesium anodes:http://
http://www.waterheaterrescue.com/pag.../OrderPages/XC...

Is this really effectve?

May be as effective as something called a "water softener". Some can
distill water to almost complete purity BEFORE it even goes into the
house (or building).

(just use that)