James Salisbury wrote:



how do they perform compared to the magnet versions?




Probabl;y equally as badly: If your watyer contains calcium carbonate,
you can possibly affect where and it what form it deposits, but not
prevent it completely.

Replacing it wuith sodium carboneate stops the problems perfectly, at
the downside of fair capital expense, the need to fill em up with salt,
and a different taste and feel to the water, which I presonally prefer.