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Re:Re: Floride in tap water (wasAPD V4 #364

well looks like I have made a partial blunder. I was confusing Fluoride with
As with fluoride it is a very stable chemical but also is very subseptible
to auto chelation with other minerals in the water. Eg if you have clay that
is high in Aluminium then kiss your fluoride goodbye.Most other metals
produce simular results.
The end result being that we in the planted aquaria hobby add so much extra
minerals to our water that  they in effect combine with the fluoride and
convert it to insoluble forms. This info was supplied by a Geo Chemist at
Melbourne Water but the disturbing factor is after a few years how much of
this insoluble muck builds up in the fish tank as it never dissipates.
On the good side at least for fish breeding the initial proportion is
minimal but is acknowledged as harmful to fish eggs in the fact that it can
harden the egg shells and prevent the fish from breaking free. Should this
occur I was advised that distilled water is the best option for hatching the
eggs 1st
From the" Land Down Under"
icq 13931687
----- Original Message -----
From: "George Slusarczuk" <yurko at warwick_net>
To: <Aquatic-Plants at actwin_com>
Cc: <travisn at gravity_net.au>
Sent: Saturday, 24 June 2000 10:12
Subject: Re: Floride in tap water (wasAPD V4 #364

> Hello Neil,
> I don't know about the "Land Down Under", but in the States the
> fluoridation agent most often used is sodium fluoride. It will NOT "go
> away" by itself, or otherwise.
> Best,
> George
> > Date: Sat, 24 Jun 2000 09:14:18 +1000
> > From: "Neil Travis" <travisn at gravity_net.au>
> > Subject: floride in tap water
> >
> > Fluoride can be removed from tap water with a good quality water
> > filter but if you just aerate or let the water stand for a day or so it
> > by itself
> > cheers
> > Neil
> > >From the" Land Down Under"
> > icq 13931687