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Re: Lower pH when adding hard water nutrients to soft water

On Tue, 5 Sep 2000, Sylvia wrote:

> Do some of the filter media and/or water additives available add to this 
> problem? I know that AP makes a water softener pillow which reduces GH, but I 
> think it exchanges sodium ions for calcium and magnesium ions. Doesn't seem 
> like it would necessarily be desirable over the long term for this reason. ??

Products that exchange sodium for calcium, magnesium or ammonium will
cause a small increase in the salt content.  I don't know about the other
products you mention.

In any case, the effect would be small.

Roger Miller