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Re: Aquatic Plants Digest V3 #1298

In a message dated 9/24/99 12:50:15 PM Pacific Daylight Time, 
Aquatic-Plants-Owner at actwin_com writes:

 It sounds like you have excess phosphates in your tank, and despite the
 insistence of your water treatment reps, I suspect your tap water is the
 source.  Many municipalities (including mine) ADD phosphate to tap water
 because:  1) it is an effective corrosion inhibitor for metal pipes, and 2)
 it is also helps prevent the formation of scale.  >>

Mark, really? I know of localities using Alum (aluminum sulfate) for a few 
purposes... but phosphates? In what format? That is, as what compounds?
Bob Fenner