Pszemol wrote:

I cannot think of a reason why phosphates would get into the clean water.

I understand that some water companies add them for some reason. In any case, my
tap water tests out at .5 mg/L. My bottled drinking water tests out at 0 with
the same test kit.

Especially if you are using RO/DI filters to prepare your salt mix.

Not an attractive option in my house. You and I went over this last year in this
forum.

George Patterson
Those who do not study History are doomed to repeat it. Those who DO
study History are doomed to watch every one else repeat it.