deformities

Peter Hughes (peterh at pican.pi.csiro.au)
Sat, 10 Aug 1996 15:12:41 +1000 (EST)

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In reply to: Harro Hieronimus: "RE: Re: deformities"

On Fri, 9 Aug 1996, Harro Hieronimus wrote:
> advertisments. In Germany EDTA is one of the largest problems in water
pollution and tap water preparation for drinking purposes. However,
aquarists throw it into the water in tons.

Harro do you know at what concentrations that these effects take place?
The concentration of EDTA used in aquaria is not that great, iron
concentration of only .1ppm and EDTA is only slightly in excess of that.
That works out to a concentration of .2 micromolar, which is pretty
miniscule. If you could point me in the direction of the actual
scientific literature I would be grateful.

Peter Hughes

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