In article <Xns97576DD9E5472jdoehotmailcom@[EMAIL PROTECTED]
>,
dc <jdoe@[EMAIL PROTECTED]
> wrote:
>"NetMax" <computeralias@[EMAIL PROTECTED]
> wrote in news:SvWBf.13781$ft2.214363
>@[EMAIL PROTECTED]
>
>>> Canister filters are the best for freshwater without question.
>>
>> Now a bold statement like that just invites comment ;~).
>>
>> How's your German? This design (Hamburg Matt filter) has a lot of
>> advantages going for it.
>> http://www.tuttas.de/aquaristik/konstruktion.htm
>
>Neat, but a DIY like that is not always practical for a lot of setups.
>
>I'd happily use something like it on a group of tanks at the store in
>tandem with a sump for cost effective uninterrupted biological
filtration,
>but it is far too visible for me to ever want to use in one of my show
>tanks. I like my own equipment to be as discreet as possible.
Stick a big plant or some rocks ow wood in front of it.
>I can't imagine a big foam block being as effective and enduring at
>breaking down waste as a tall canister packed with ehfimech/substrat and
>floss.
Two things make up a filter: water flow and amount of filter substrate.
This thing wins hands down over all but ther largest and most extreme
of canister filters. You guys need to get out more. :-)
In North America we as aquarists are I think spoiled; we march into a
petshop
lonk down a credit card for a tank and bunch of plastic made in Taiwan or
italy and call it a day.
Look at older German books, especially killi books. The not so old Barrons
book by Stefan Hellner has a design for an inside filter made from a
margerine
tub with a funnel placed in it spout up. An airline is placed in the
funnel
(under the wide end not through the spout and the tub is filled with
pea gravel. Presto, a filter. That works. Really.
Next step would be to build a false inside panel to create a 1" chamber
that
you can fill with gravel as a filter substrate. Looking at the URL
referenced above, I thought that's what they had done too but I see it's
just a cork background. Ah well.
An inside sponge insert as shown is the perfect compliment to such a
filter
design. Good call; I have 4 400L tanks to set up this year (did I mention
construction permits?) and will probably give it a go on these now-dry
tanks
as they're already plumbed for a sump and have overflow boxes.
What also comes to mind is two inside chamber, one for substrate one for
airlifts, made from glass. Should look pretty good and be a decent way to
see what kind of flow you're getting.
As for cannister filters being the best for anything, they have their
place, around here it's mostly in a box on a shelf. They tend to suck
up fry and eat them; restrict the intake so they don't and they clog.
I hate the plumbing. I hate the noise and meltdown when they run dry.
There have been lots of them over the years some through here and I
still use sponge filters. Small ones, big ones, sometimes several of
them.
--
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Richard ***ton | Mercedes stuff: http://mbz.org
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