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Re: Phosphates (Aquatic Plants Digest V3 #1299)

> <
>  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

My well water has 5 ppm phosphates by test kit and confirmed by water quality