>From what I have read, copper stains pools.  I don't think silver has the same
problem.

Marshall

russ e rosser wrote:

> I knew of a man in Louisianna who mfr'ed a flow-through copper
> colloidalizer for swimming pool sterilization...claimed it works.       -Russ
>
> On Sat, 28 Oct 2000 12:40:45 -0700 "Duncan Crow" <[email protected]>
> writes:
> > The comment on colloidal copper in swimming pools was
> > interesting...does
> > anyone know of a colloidal copper mix suitable for fish tanks, or at
> > approximately what level fish start to get uncomfortable??  I know
> > they can
> > survive some mineral...but I don't want to hurt the little guys with
> > direct
> > experimentation. A little copper colloid in the tank may help keep
> > the algae
> > levels more stable.
> >
> > Anyone keep fish at home or have knowledge of this subject?
> >
> > ciao
> >
> >
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