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       #Post#: 546--------------------------------------------------
       5 Fish dead in 1 week
       By: probn Date: September 25, 2014, 8:49 am
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       I don't know what's wrong in my tank :-X :-X :-X
       4 juvenile texas and one juvenile white severum died one by one
       before I could figure out anything
       Any suggestion is appreciated
       thanks
       #Post#: 555--------------------------------------------------
       Re: 5 Fish dead in 1 week
       By: Jennifer Date: September 25, 2014, 10:40 am
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       Would need to know more about the tank.  How long it's been set
       up.  What your water parameters are (ammonia, nitrite, nitrate).
       What else is in the tank - what kind of substrate, decorations.
       How the fish were behaving.  Were they being shy?  Hiding?
       Hanging at the surface?  As much info as you can give.
       #Post#: 556--------------------------------------------------
       Re: 5 Fish dead in 1 week
       By: freddie Date: September 25, 2014, 11:03 am
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       that's a bummer!
       my first thoughts would be chlorine or chloramines not removed
       from the water or an ammonia spike. but that's just a shot in
       the dark. as mentioned by Jennifer more background information
       would help.
       #Post#: 558--------------------------------------------------
       Re: 5 Fish dead in 1 week
       By: probn Date: September 25, 2014, 11:15 am
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       One dead again :-X
       jennifer,
       it has been set up for more than one and half year and up until
       now there was no problem
       I don't know my water parameters and to be frank there are no
       any test kits available in my country
       They were not shy and were just fine and also eating nicely but
       were hanging at the surface during the time of power cut
       My tank is bare and have two caves for catfish
       #Post#: 559--------------------------------------------------
       Re: 5 Fish dead in 1 week
       By: probn Date: September 25, 2014, 11:18 am
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       freddie,
       My water don't have chlorine or chloramine cause I use water
       from well but may contain iron and such but I keep it at least
       for 1 week in container before adding it to the tank
       and as for ammonia there is no way to know as I have stated
       before
       #Post#: 575--------------------------------------------------
       Re: 5 Fish dead in 1 week
       By: PaulMartin61 Date: September 25, 2014, 5:47 pm
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       Probn, really sorry to hear of your loss.
       Making the guess that you do water changes regularly, and as you
       mentioned your using well water, I'd guess an aerosol cleaning
       product.  Even room fresheners sprayed close to your aquarium
       can/will get into the water of a loosely covered tank.
       How many fish do you have remaining?
       Do you have enough water saved to do a 80% water change?
       Best of luck to you in finding the problem.
       Paul
       #Post#: 579--------------------------------------------------
       Re: 5 Fish dead in 1 week
       By: probn Date: September 25, 2014, 6:59 pm
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       after doing 80% water change this problem arised
       Do dead fish if remained in a tank for a long time will harm
       other fish?
       I found one dead fish this morning which had disappeared from my
       tank
       #Post#: 580--------------------------------------------------
       Re: 5 Fish dead in 1 week
       By: plindsey88 Date: September 25, 2014, 7:19 pm
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       You mentioned a power cut?!?  I had a mystery illness that
       killed off about 25% of my fish last year.  Water parameters
       were fine.  I medicated as soon as the first one died, but there
       was no stopping it.  And it ended just as soon as it began.
       Sometimes it just happens.
       #Post#: 584--------------------------------------------------
       Re: 5 Fish dead in 1 week
       By: probn Date: September 25, 2014, 7:34 pm
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       sorry to hear that
       power cut is not  a surprise here in my place
       there is fixed time for electricity to come and then goes off
       for about 8 hours daily electricity goes out
       #Post#: 631--------------------------------------------------
       Re: 5 Fish dead in 1 week
       By: Jennifer Date: September 26, 2014, 10:52 am
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       And to answer your question, if you have a dead fish in your
       tank, your ammonia level will spike and that creates subsequent
       nitrite and nitrate spikes.  Which .. can cause other fish to
       die which adds to the problem.  :(
       I think anyone who has been in the aquarium hobby long enough
       has had that happen.  It's never fun.  I've had it happen a
       couple of times where I had a test kit and tested, I knew there
       had to be something causing the increased ammonia and I just
       couldn't find until I basically ripped the tank apart.  Which,
       of course, if you're like me, you've done 3 water changes trying
       to knock the nutrients down before it occurs to you that you
       might have a dead something somewhere.  (I keep mystery snails
       to, oh, do they pollute a tank when they croak!  And often, they
       don't really look dead until you pick them up.)
       Sorry you lost so many fish, but happy you got it figured out.
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