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Re: Actinic lights, photoreduction
- To: Aquatic-Plants at actwin_com
- Subject: Re: Actinic lights, photoreduction
- From: Paul Sears <psears at nrn1_NRCan.gc.ca>
- Date: Mon, 14 Feb 2000 13:32:15 -0500 (EST)
- In-Reply-To: <200002120848.DAA22916 at actwin_com> from "Aquatic Plants Digest" at Feb 12, 2000 03:48:02 AM
> From: "James Purchase" <jpurch at interlog_com>
> Subject: Actinic lights in freshwater plant tanks and algae problems
> Diana Walstad's book "Ecology of the Planted Aquarium" certainly is full of
> information that I've never heard before....
> But she explains that a common process called "photoreduction of iron" is
> able to set the bound iron free:
> DOC-Fe+++ + light -> Fe++ + oxidized DOC
> Apparently, this reaction, which also takes place with manganese and copper,
> can be greatly accellerated by light.
If it's photoreduction, it would be completely dependent on it.
> Now this is "slightly new", at least to me... but the kicker is yet to
> Diana cites research
I'd very much like to see the reference to this stuff.
Paul Sears Ottawa, Canada