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Re: KillieTalk Digest V4 #256

I have been finakky receiving the 'Killie Talk' via e-mail for a few days. How do I make a reply?
Roger Hawthorne  
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From: Owner-KillieTalk at AKA_Org
Sent: Monday, July 22, 2002 12:37 PM
To: Owner-KillieTalk at AKA_Org
Subject: KillieTalk Digest V4 #256

KillieTalk Digest        Monday, July 22 2002        Volume 04 : Number 256

In this issue:

Re: AW: nitrate filter
Re: Killie Revue 2002

See the end of the digest for information on unsubscribing from the
KillieTalk mailing list and on how to retrieve back issues.


Date: Mon, 22 Jul 2002 20:38:14 +0200
From: "Tyrone Genade" <Tgenade at sun_ac.za>
Subject: Re: AW: nitrate filter

On 22 Jul 2002, at 19:24, Erik Pfingstner wrote:

> what is a powerhead?

essentially a submersable water pump. Nice and handy but the flow
rate would be too high as Erik points out...

I should of been more clear... my mistake.

My friend has a 22 litre drum which gets fed a small portion of the
return water from his sump/filter. This tum is so effective that it
dropped the NO3- levels from about 40 mg/ml to about 20 after one
week of operation. It is still going strong and keep the NO3- levels
in his ~3'500 L malawi cichlid grow out system composed of 7 ~500 L

He turns that system over 4x every hour and has crystal clear water
all year round inspite of lots of sun shine--- the vats are outside.
His heating system is evem more elaborate. Most of his HIGH wattage
heaters are home made and keep the water temperature in winter
between 16 and 20C inspite of 4C overnight temperatures.

There was an article in AFM a while back on designing the optimum
anaerobic filter. I think the specs were a 2 meter 5 mm tube with a
flow rate of 2 ml/min...

In essence if you want reallly GREAT filtration switch to a sand
filter. Run the outlet the "dark box" with course filter medium and
then through shell grit to neutralize any nasty H+ ions that are left
over. I personally prefer the planted tank concept.:-)


Tyrone Genade
tgenade at sun_ac.za

P450 Lab, Biochemistry Department
University of Stellenbosch, 7602, South Africa
Ph: +27-021-808-5876, fax: +27-021-808-5863

"Seek your happiness in the Lord."
                  Psalms 37:4
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Date: Mon, 22 Jul 2002 15:28:29 -0400
From: TomPayne <paynedds at voyager_net>
Subject: Re: Killie Revue 2002

Contrary to erroneous repoirts that I have chosen to live on another
planet, I am alive and do intend to be at the convention to work as
hard as I can to make it successful. Life's been way too busy and full
of extraneous stuff that really is more important than my
fishies..............albeit less fun. I'll have time to conjure up a
myriad of excuses by the August meeting.


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