On Wed, 25 Feb 2009 10:49:51 +0000, Al wrote:

Anyone tried one of these or anything similar?

No, but funnily enough just the other day I was reading this:

http://www.magnetnerd.com/Neodymium%20Magnets/magnet_scams.htm

I did come across one installation with a magnetic thingy on the CW supply
to the tanks that had absolutely no sign of either limescale (in the
storage tank or HW cylinder) or any other form of scale inhibitor.

--
John Stumbles -- http://yaph.co.uk

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