Bert Coules wrote

Has anyone here used one of these no-salt water softeners?

http://www.centralheat.co.uk/monarch...ener-s15t.html

short version:

http://tinyurl.com/zn93kl9

"Almost all the benefits of fully softened water" is the claim, and at a
much lower price.

When they don't bother to spell out how it works, and don't
provide any chemical analysis of the water before and after...

Someone must have done some tests on their system.