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.
--- Seweryn Bialasiewicz <s_bialasiewicz at hotmail_com>
> 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
> >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
> >do much unless it was a really really thin sack ;-) .
> >What you can try is to pack the canister with floss.
> >tighter you pack it the finer it will filter -- up to a
> >point. And you'll need to change the floss in a few
> >or days depending on how much you squeeze in. Don't go
> >with this, you should be able to close the canister
> >any difficulty.
> >As an alternative you can put a layer of 100 micron or
> >micron felt as the very top layer in the eheim. This
> >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
> >got loose, they'd be a heck of a lot messier than
> >you now have.
> >Is this clouding act something the sand did before it
> >in the bucket?
> >Worst comes to worst, you vac up the sand, rinse it
> >thoroughly and put it back when it no longer clouds
> >Of course, a tear down is usually the last thing we want
> >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>
> > >
> > > I know that Eheim does not make one, but is it
> > > 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
> > > my rinsing bucket
> > > outside for a few weeks) to my tank, the water has
> > > cloudy, no matter
> > > the water changes, and seems to get progressively
> > >
> > > Cheers,
> > > - Seweryn
> > >
> > >
> > > Hot chart ringtones and polyphonics. Go to
> > > http://ninemsn.com.au/mobilemania/default.asp
> > >
> > > _______________________________________________
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