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Re: [APD] EHEIM diatom Filter

To: aquatic plants digest <aquatic-plants at actwin_com>
Subject: Re: [APD] EHEIM diatom Filter
From: "S. Hieber" <shieber at yahoo_com>
Date: Sun, 19 Oct 2003 16:36:19 -0700 (PDT)
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--AS I said, the denser the floss, the faster it loads up
and slows down the water flow and it cou dhappen in a
metter of hours, etc.

If the Eheim is struggling remove the flow obstruction and
give the Purigen more time to work with a higher water
flow.

Good chance you have a bactieria bloom that might subside
quickly or slowly.  I've seen them last for weeks,
unfortunately.  Hard to tell from a distance what you've
got.

If you can borrow a UV lamp, that wil tell you quickly if
it's a biobloom -- it will get rid of it.


Scott H.
Seweryn Bialasiewicz <s_bialasiewicz at hotmail_com> wrote:
> 
> well, I plunked a bit of extra floss into the tank, as
> well as a sachet of 
> the Purigen last night, and this morning.... nothing.
> Still cloudy. I was 
> hoping I could have seen the results by now, as the
> packaging says, but 
> maybe it takes longer... BTW, the filter does not seem to
> like having extra 
> floss in it, even though I did not pack it tight, as it
> now makes noise.
> 
> - S
> 
> 
> >From: "S. Hieber" <shieber at yahoo_com>
> >Reply-To: aquatic plants digest
> <aquatic-plants at actwin_com>
> >To: aquatic plants digest <aquatic-plants at actwin_com>
> >Subject: Re: [APD] EHEIM diatom Filter
> >Date: Sun, 19 Oct 2003 05:39:51 -0700 (PDT)
> >
> >Yes to each question. Except that Purigen is not
> supposed
> >to be bad for a planted tank, especially if you're only
> >using it short term.
> >
> >Scott H.
> >
> >--- Seweryn Bialasiewicz <s_bialasiewicz at hotmail_com>
> >wrote:
> > >
> > > Is floss the same as filter wool?
> > > I only added about a cup's worth of sand (really fine
> > > gravel actually), but
> > > it had been sitting outside in the bucket for a few
> > > weeks, so I wonder if it
> > > is some biological bloom which got "seeded" in the
> sand
> > > from the bucket. I
> > > don't think that much rinsed sand would make such a
> mess,
> > > especially when
> > > the cloudiness only increases over time. Maybe it's
> green
> > > water,  but it is
> > > not green (looks brown, but could be the tannins).
> Maybe
> > > I'll have a look at
> > > some of the water under a microscope at work
> tomorrow.
> > >
> > > A guy at my LFS suggested using either a flocculent,
> or
> > > Seachem Purigen,
> > > which claims to be as good at cleaning up the water
> as a
> > > diatom filter.
> > > Would the Purigen which would take the Nitrates out
> be
> > > bad for my planted
> > > tank otherwise? I would only leave it in long enough
> to
> > > clear up the tank,
> > > and I am assuming the plants can handle a temporary
> drop
> > > in Nitrates.
> > >
> > > - Seweryn
> > >
> > >
> > > >From: "S. Hieber" <shieber at yahoo_com>
> > > >Reply-To: aquatic plants digest
> > > <aquatic-plants at actwin_com>
> > > >To: aquatic plants digest
> <aquatic-plants at actwin_com>
> > > >Subject: Re: [APD] EHEIM diatom Filter
> > > >Date: Sat, 18 Oct 2003 17:00:49 -0700 (PDT)
> > > >
> > > >After Larry Lampert and I invent the world's first
> > > >reasonable diatom filter, you'll have a good answer.
> Uh,
> > > >don't hold your breath onthat one.  So, until then,
> note
> > > >that the trouble with the diatomaceous medium is
> that
> > > it's
> > > >a loose medium, not like talk radio but like the
> sand
> > > >that's giving you a problem. It works as a filter
> when a
> > > >fine coating of it is used. A sack of it probably
> > > wouldn't
> > > >do much unless it was a really really thin sack ;-)
> .
> > > >
> > > >What you can try is to pack the canister with floss.
> > > The
> > > >tighter you pack it the finer it will filter -- up
> to a
> > > >point.  And you'll need to change the floss in a few
> > > hours
> > > >or days depending on how much you squeeze in. Don't
> go
> > > nuts
> > > >with this, you should be able to close the canister
> > > without
> > > >any difficulty.
> > > >
> > > >As an alternative you can put a layer of 100 micron
> or
> > > 50
> > > >micron felt as the very top layer in the eheim. 
> This
> > > too
> > > >will load quickly.  The felt you can get at some
> fish
> > > >sotres and certainly at some on-line stores.
> > > >
> > > >Either of these along with activated carbon should
> clear
> > > >your water of any temporary turbity condition. If
> > > diatoms
> > > >got loose, they'd be a heck of a lot messier than
> > > whatever
> > > >you now have.
> > > >
> > > >Is this clouding act something the sand did before
> it
> > > went
> > > >in the bucket?
> > > >
> > > >Worst comes to worst, you vac up the sand, rinse it
> > > >thoroughly and put it back when it no longer clouds
> > > badly.
> > > >Of course, a tear down is usually the last thing we
> want
> > > to
> > > >do.
> > > >
> > > >Good luck, don't get frustrated, think of the
> mechanical
> > > >problems as part of the fun,
> > > >Scott H.
> > > >
> > > >--- Seweryn Bialasiewicz
> <s_bialasiewicz at hotmail_com>
> > > >wrote:
> > > > >
> > > > > I know that Eheim does not make one, but is it
> > > possible
> > > > > to buy a diatom bag
> > > > > w/ powder from another brand and place it in the
> 2213
> > > > > canister filter? Ever
> > > > > since I added some top up sand (that has been
> sitting
> > > in
> > > > > my rinsing bucket
> > > > > outside for a few weeks) to my tank, the water
> has
> > > been
> > > > > cloudy, no matter
> > > > > the water changes, and seems to get progressively
> > > worst.
> > > > >
> > > > > Cheers,
> > > > > - Seweryn
> > > > >
> > > > >
> > >
> >
>
>_________________________________________________________________
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> > > > >
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> > >
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> > > >
> > > >
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>
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>
_________________________________________________________________
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> 
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References:
- Re: [APD] EHEIM diatom Filter
  - From: Seweryn Bialasiewicz

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