Nick Zarlinga
Aquarium Biologist
Cleveland Metroparks Zoo
216.661.6500 ext 4485
-----Original Message-----
From: owner-nanfa_at_aquaria.net On Behalf
Of John Bongiovanni
Sent: Monday, January 13, 2003 9:50 AM
To: nanfa_at_aquaria.net
Subject: RE: NANFA-- weird darter illness?
Nick,
Those of us (me anyway) with Native plants with our Native fish who use CO2
injection to "fertilize" the plants always have our effluent enter under the
water for those exact reasons. Surface aggitation will allow the CO2 to
escape and cause a pH rise in the water. My CO2 enters through the intake
and is dissolved as it goes through my canister filter. I use a diffuser bar
located near the bottom on the back of the tank to reduce the current effect
on the plants.
There has to be plenty of O2 in the tank due to the plants and CO2 has kept
the water at 6.8 - 7.0 pH. Without the CO2 the pH tends to range in the
high 7's to low 8's.
Never is a long time. Is your rule for marine systems or is that for fresh
and marine both?
BTW thanks for your hospitality during my X-mas visit. My son and my father
and myself really enjoyed the tour and were very impressed with your
facility. I'll be back in July. I'll get a change to see the Native
displays all flushed out with green at that time!
John Bongiovanni
> Also, never,
> never, never...... have your effluent from a pump enter the tank under the
> surface of the water. You need to have some surface aggitation to degas
the
> water. It is also good to run the water through a degassing chamber, such
as
> a trickle filter.
>
> Nick Zarlinga
> Aquarium Biologist
> Cleveland Metroparks Zoo
> 216.661.6500 ext 4485
>
>
> -----Original Message-----
> From: owner-nanfa_at_aquaria.net On Behalf
> Of geoff
> Sent: Sunday, January 12, 2003 8:10 PM
> To: nanfa_at_aquaria.net
> Subject: NANFA-- weird darter illness?
>
>
> A couple of weeks ago, I went collecting for stonerollers about 30 minutes
> from my house. I found some, along with some nice orangethroat darters
for
> someone I promised colorful darters to. Its possible they are rainbows,
but
> I don't think so.
>
> I have collected at this creek, but I've never taken anything home from
that
> creek before.
>
> While we were collecting, I noticed a few dead minnows here and there in
the
> creek, which I attributed to some yahoo on an ATV - there were fresh
tracks
> in the creek.
>
> Anyway, I have had these fish about 2 weeks and I have just started losing
a
> couple of them. I have kept them at about 50 degrees since collection.
> They
> have seemed to eat alright.
>
> Tonight, while cleaning the tank, I noticed one male darter swimming very
> badly. He was still rather vigorous, but he swam in very sharp circles.
> pretty much like a pomeranian chasing its tail.
> His colors were a bit washed out, but there were no obvious lesions on his
> body. I think I saw a couple of clear bumps on his side. I killed him
and
> flushed the body.
>
>
> I have never seen anything like this. ANyone have any ideas?
>
> Geoff Kimber
> Lexington,KY
> --
> /"Unless stated otherwise, comments made on this list do not necessarily
> / reflect the beliefs or goals of the North American Native Fishes
> / Association"
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> Association
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> / For more information about NANFA, visit our web page,
http://www.nanfa.org
> /"Unless stated otherwise, comments made on this list do not necessarily
> / reflect the beliefs or goals of the North American Native Fishes
> / Association"
> / This is the discussion list of the North American Native Fishes
Association
> / nanfa_at_aquaria.net. To subscribe, unsubscribe, or get help, send the word
> / subscribe, unsubscribe, or help in the body (not subject) of an email to
> / nanfa-request_at_aquaria.net. For a digest version, send the command to
> / nanfa-digest-request_at_aquaria.net instead.
> / For more information about NANFA, visit our web page,
http://www.nanfa.org
-- /"Unless stated otherwise, comments made on this list do not necessarily / reflect the beliefs or goals of the North American Native Fishes / Association" / This is the discussion list of the North American Native Fishes Association / nanfa_at_aquaria.net. To subscribe, unsubscribe, or get help, send the word / subscribe, unsubscribe, or help in the body (not subject) of an email to / nanfa-request_at_aquaria.net. For a digest version, send the command to / nanfa-digest-request_at_aquaria.net instead. / For more information about NANFA, visit our web page, http://www.nanfa.org /----------------------------------------------------------------------------- /"Unless stated otherwise, comments made on this list do not necessarily / reflect the beliefs or goals of the North American Native Fishes / Association" / This is the discussion list of the North American Native Fishes Association / nanfa_at_aquaria.net. To subscribe, unsubscribe, or get help, send the word / subscribe, unsubscribe, or help in the body (not subject) of an email to / nanfa-request_at_aquaria.net. For a digest version, send the command to / nanfa-digest-request_at_aquaria.net instead. / For more information about NANFA, visit our web page, http://www.nanfa.org