My thoughts too. Aslo the magnetic ones.
I have seen tests, the effect doesnot last long apprently.
There is a test here. Baffles me a bit.
I seem to recall that you get some precipitation on the pipes which
probably accounts for slight initial reduction but as you say the effect
will not last.
I've been surprised that the authorities have not come after these people.
My well water tests borderline for hardness but I have avoided treatment
to avoid cost and, since I'm sodium restricted, don't want to add salt
to my water. I do have a sediment filter that works great in keeping
toilets and sinks cleaner.
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