"Ed Sirett" wrote in message
news
On Thu, 12 Feb 2004 21:34:10 +0000, IMM wrote:


"RichardS" noaccess@invalid wrote in message
. ..

"IMM" wrote in message
...

"Ed Sirett" wrote in message
news On Thu, 12 Feb 2004 11:06:55 +0000, Christian McArdle wrote:

I know this has been discussed many times before on this NG but
just
wondered if anyone had any personnel recommendations drawing
from
their own experience rather than anecdotal evidence.

Ion exchange works very well. Phosphate dosing works a bit.
Electronic/magnetic conditioning works for those who believe in
the
tooth
fairy.

I was in a hospital last week and before all electric water heating
appliances they in-line magnetic descalers made by Liff.

snip

...and the placebo effect is very well known in the medical world.

Not to hard nosed engineers it s not.

Do you seriously think that the person specifiying what to install was an
engineer? Probably not even an architect, might even have been left to the
whim of the installer. Especially if there was a something to be gained
from doing so.

see:
http://www.gas-news.co.uk/discus/messages/18/476.html? search on Liff and
Scalewatcher

and..
http://www.plumbingpages.com/forums/...m=14&Topic=474
search on Liff and Scalewatcher