Re: [APD] Microwaving water for water changes a bad thing?

["S. Hieber" <shieber at yahoo_com>]

Zinc or magnesium. a little zinc shouldn't be bad. Zinc in
the water is probably reducing sulfates. 

sh
--- Vaughn Hopkins <hoppy1 at surewest_net> wrote:

> For many years all water heaters in this country have
> been glass lined, 
> and if the lining were to break, the  heater would soon
> rust through 
> and leak.  But, I do recall that some water heaters have
> sacrificial 
> electrodes, probably zinc, in them to protect from
> electrolysis.  Is 
> zinc harmful to plants or fish?
> 
> On Thursday, February 24, 2005, at 03:02 PM, Terry
> Thorsen wrote:
> 
> > I chalk this up to some old wives tale or urban myth. 
> I've hooked my 
> > python
> > up to the kitchen sink and adjusted the temp using
> water from the hot 
> > water
> > tank for years with no ill effects to fish or plants.
> >
> > Terry
> >
> >
> >   David Noal wrote,
> >
> >   I've read in more than one place that heavy metals
> can be found in
> >   greater quantity in water that's been in the hot
> water tank over  the
> >   tap water used to fill it. This might be only an
> issue for salt-water
> >   reef tanks, I really don't know for sure.
> > _______________________________________________
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> > Aquatic-Plants at actwin_com
> > http://www.actwin.com/mailman/listinfo/aquatic-plants
> >
> 
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