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Re: [APD] How do you guys do water changes?????

Greetings and thank you for replying,
There was a thread running about on another list (killie listserv) as to the
effectivness of "DE" filtering , many swore by it's ability to extract PO4.
Now is this correct, I don't know? Maybe , maybe not.
I do know for a fact that DE filters are a key to consistat clearity, in
swimming pools they use large DE filteration and I have seen a cloudy pool
goto clear in less than a day. DE filters boast that they can remove
anything bigger than one micron, including most bacteria, fungus, nutriants
and other possibly harmful byproducts,, I beleive that includes PO4 .
Now all this data comes from the manufacturer of the DE filters so the
results could be tainted. But than again any added filtration usually pays
for itself *exceptions do apply I'm sure*. I'm a big beleiver in
This idea of using twice as much filtration than needed and the use of
plants as a back-up filtration was handed down to me from an old time
aquarium keeper. I trust these guys as they are a vital knowledge base. They
seem to have done it all and made all the mistake so we don't have to relive
them , IMHO. Mark B.

----- Original Message ----- 
From: "S. Hieber" <shieber at yahoo_com>
To: "aquatic plants digest" <aquatic-plants at actwin_com>
Sent: Thursday, April 01, 2004 3:16 AM
Subject: Re: [APD] How do you guys do water changes?????

> A Diatom filter is a mechanical filter. I never heard of
> them taking PO4 out of the water, neither organic or ortho.
> Do you have source for this, seems worth looking into.
> I suppose with carbon in the mix, like Vortex's Super-char,
> you can start pulling all kinds of things out of the water,
> including the organic phosphate compounds, however, one
> would needn't to have a diatom filter to do that--just any
> filter that handles carbon.
> Scott H.
> --- Mark & Peta <mbethke at socal_rr.com> wrote:
> > Thank you Laura,
> > I believe you are right. I plan to add a Diatomaceous
> > Earth filter to clear
> > the PO4. I've been told that the "DE" filters do exactly
> > that.
> > Boy it will be nice to get back my aquarium.... thanks
> > again,
> =====
> S. Hieber
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