RE: NANFA-L-- Fish Kill- Anyone have any ideas?

dobroblues (dobroblues-in-bellsouth.net)
Sun, 15 May 2005 20:40:27 -0400

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Jeff,
I=92ve had similar pandemics happen twice, once I lost 5 topminnows =
within
minutes =96 I moved the sixth to another tank and still have it. Months =
later,
I lost several darters over a few days, one-in-a time. It was very =
weird.
Both times were after I added more fish from a different drainage into
established tanks.=20
I am not an expert, but my theory is that water conditions =
that
are not perfect cause the immune system to weaken, and make the fish
susceptible to bugs that would not normally harm a healthy fish. Sort of
like a person with an immune system disorder dying from a cold or flu. =
So I
feel that there are different strains of bugs out there that fish will
normally shrug off but end up succumbing to in a weakened state.=20
I think the best thing to do is to keep up with the water
changes, possibly doing daily partial water changes for a while just to =
make
sure that all the parameters are moderated, especially nitrates and
phosphates. Also, some municipal water systems have nitrates =96 the =
legal
limit is 10ppm leaving the water plant for most states. So you may want =
to
occasionally check the incoming water!
I=92ve tried some of the various antibacterial and anti-fungal =
treatments, but
all I=92ve accomplished is making the fish die slowly. Try a google =
search for
=93old tank syndrome=94 and read some of the articles online; most of =
the info
is for less advanced aquarists, but there are some interesting =
discussions
of similar catastrophes.
=20
Ken Logsdon
Kentucky

--=20
No virus found in this outgoing message.
Checked by AVG Anti-Virus.
Version: 7.0.308 / Virus Database: 266.11.10 - Release Date: 5/13/2005
=20

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Jeff,<o:p></o:p>

I’ve had similar pandemics =
happen
twice, once I lost 5 topminnows within minutes – I moved the sixth =
to
another tank and still have it. Months later, I lost several darters =
over a few
days, one-in-a time. It was very weird. Both times were after I added =
more fish
from a different drainage into established tanks. =
<o:p></o:p>

&nbsp=
;    I
am not an expert, but my theory is that water conditions that are not =
perfect cause
the immune system to weaken, and make the fish susceptible to bugs that =
would
not normally harm a healthy fish. Sort of like a person with an immune =
system
disorder dying from a cold or flu. So I feel that there are different =
strains
of bugs out there that fish will normally shrug off but end up =
succumbing to in
a weakened state. <o:p></o:p>

&nbsp=
;    I
think the best thing to do is to keep up with the water changes, =
possibly doing
daily partial water changes for a while just to make sure that all the
parameters are moderated, especially nitrates and phosphates. Also, some
municipal water systems have nitrates – the legal limit is 10ppm =
leaving
the water plant for most states. So you may want to occasionally check =
the
incoming water!<o:p></o:p>

I’ve tried =
some of
the various antibacterial and anti-fungal treatments, but all I’ve
accomplished is making the fish die slowly. Try a google search for =
“old
tank syndrome” and read some of the articles online; most of the =
info is
for less advanced aquarists, but there are some interesting discussions =
of
similar catastrophes.<o:p></o:p>

<o:p> </o:p>=

Ken =
Logsdon<o:p></o:p>

<st1:State =
w:st=3D"on"><st1:place
w:st=3D"on">Kentucky</st1:place></st1:Sta=
te><o:p></o:p>

</div>

</body>

-- 
No virus found in this outgoing message. 
Checked by AVG Anti-Virus. 
Version: 7.0.308 / Virus Database: 266.11.10 - Release Date: =
5/13/2005

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Next message: Bruce Stallsmith: "Re: NANFA-L-- Fish Kill- Anyone have any ideas?"
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