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Phosphate heresy

> We Canadians tend to get really touchy these days when the subject of water
> sales to the U.S. comes up. But I still think that if you would agree to
> give up Hawaii, we could be persuaded.

	I think we would want New England and Alaska as well...

> From: "Dixon, Steven T. (BEn)" <stdixon at ben_bechtel.com>
> Subject: TMG and Potassium
> I'll let you all in on a little bit of heresy I've been experimenting with
> recently.  Many of us strive to maintain phosphate-limited conditions in our
> planted aquaria.  This is one of our basic algae control strategies.  But
> what do we really mean by that phrase?  Can there be such a thing as having
> too little phosphate?

	I think so.  I have added K2HPO4 or KH2PO4 to one of
my tanks.  That is after quite a long period of adding K2SO4, MgSO4, KNO3
and trace elements.

Paul Sears        Ottawa, Canada