"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.