Re: [APD] Removes "heavy metals"?

[António Vitor <antonio_vitor at sapo.pt>]

Is only my impression, or my posts are being neglected???

António Vitor

----- Original Message ----- 
From: "Laith Arif" <laith at swissonline_ch>
To: "'aquatic plants digest'" <aquatic-plants at actwin_com>
Sent: Tuesday, August 17, 2004 7:35 AM
Subject: RE: [APD] Removes "heavy metals"?


> So I guess there isn't really an issue here.  The conditioner is not going
> to have an impact on the ferts/nutrients/traces for the plants.
>
> Thanks for clearing that up!
>
> Laith
>
>
> -----Original Message-----
> From: S. Hieber [mailto:shieber at yahoo_com]
> Sent: 17 August 2004 00:42
> To: aquatic plants digest
> Subject: RE: [APD] Removes "heavy metals"?
>
> I believe Dr. Morin's basic point was that Prime "grabs"
> the heavy metals before iron and such.
>
> Scott H.
> --- Laith Arif <laith at swissonline_ch> wrote:
>
> > Ok, thanks for the info and the links.
> >
> > So Greg Morin is correct when he says "This should not be
> > an issue unless
> > you are really wanting to keep high levels of lead,
> > mercury and cadmium ;-)
> > (all toxic heavy metals)."?
> >
> > It's mainly these toxic heavy metals that are
> > removed/neutralized?
> >
> > The reason I asked in the first place was just wondering
> > whether at every
> > water change and the addition of the conditioner, I was
> > basically starting
> > out with water "bare" of all metals and needed to take
> > this into account
> > when dosing ferts and traces.
> >
> > Thanks for the input.
> >
> > Regards,
> >
> > Laith
> >
> >
> > -----Original Message-----
> > From: S. Hieber [mailto:shieber at yahoo_com]
> > Sent: 16 August 2004 11:36
> > To: aquatic plants digest
> > Subject: Re: [APD] Removes "heavy metals"?
> >
> > None of hte elements in the aquariumare, say, converted
> > to
> > energy -- if they are there before the conditioner is
> > added, they are there afterwards. It's a matter of the
> > chemical or ionic bonds and what compounds are in the
> > tank.
> >
> > Conditioners that "remove" chloramine break up the
> > compound
> > into constituents that can then remain separate or
> > recombine with other elements to form new compounds.
> > Something that breaks up chloramine could leave your tank
> > with a sudden dose of ammonia.
> >
> > Some conditioners bind the elements and bind some
> > so-called
> > heavy metals. The metal elements are not gone, but tied
> > up
> > in a compound that is presumably less risky to fish or
> > plants. Some conditioners, like SeaChem Prime break up
> > chloramine and then "grab" the nitrogen in a new compound
> > less harmful to fish but still available to plants as a
> > nutrient.
> >
> > There is an order of "preference" for what metals a
> > conditioner will grab.
> >
> > There are lots of posts in the archives. Here are a few:
> >
> >
> http://fins.actwin.com/aquatic-plants/month.200102/msg00171.html
> >
> >
> http://fins.actwin.com/aquatic-plants/month.200302/msg00030.html
> >
> >
> http://fins.actwin.com/aquatic-plants/month.200303/msg00029.html
> >
> > It matters what conditioner you use. If you have
> > chloramines, you want something thatdoesn't leave you
> > with
> > a sudden dose of ammonia. As for trace metals, I don't
> > think it's an issue. If there is nothing else to bind,
> > some
> > iron might be bound but the amount is small and a worthy
> > trade-off for gaurding against chlorine, chloramine, and
> > heavy metals. And the bound iron can still be gotten by
> > the
> > plants eventually.
> >
> > Good luck, good fun,
> > Scott H.
> > --- Laith Arif <laith at swissonline_ch> wrote:
> >
> > >
> > > I'm curious to know what exactly my water conditioner
> > > (JBL Biotopol) means
> > > by "removes heavy metals"... Does anyone know?
> > >
> > > Just wondering if besides removing chlorine and
> > > chloramine it's also
> > > removing useful plant nutrients (micro and/or macro).
> >
> >
> > =====
> > Want to get dirty but stay clean?
> >
> > Diana Walstad, author of _Ecology of the Planted
> > Aquarium_ will discuss soil
> > supplemented aquarium substrates at the 2004 AGA
> > Convention.
> >
> > Convention Details/Registration at aquatic-gardeners.org
> > & gwapa.org
> >
> >
> > _______________________________________________
> > Aquatic-Plants mailing list
> > Aquatic-Plants at actwin_com
> > http://www.actwin.com/mailman/listinfo.cgi/aquatic-plants
> >
>
>
> =====
> Want to get dirty but stay clean?
>
> Diana Walstad, author of _Ecology of the Planted Aquarium_ will discuss
soil
> supplemented aquarium substrates at the 2004 AGA Convention.
>
> Convention Details/Registration at aquatic-gardeners.org & gwapa.org
>
>
> _______________________________________________
> Aquatic-Plants mailing list
> Aquatic-Plants at actwin_com
> http://www.actwin.com/mailman/listinfo.cgi/aquatic-plants
>

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