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Posted by HammerJoe@gmail.com on March 17, 2005, 12:22 pm
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Hi,
I need some help understanding what is going on with my tank.
I have a 33gal tank acquired two weeks ago.
It has an aquaclear filter 300 (70) with sponge, charcoal and bio
filter.
Heater 300w to keep a 24C temp.
I left running fishless for a week, and tested it with master kit.
No amonia, no nitrites, ph 8 and hardness on the high side 180.
Last saturday I bought five neon tetras two yellow platties tow
gouramis and a male and female guppy.
Sunday one of neons died... he was sucked by the filter and didnt
recover.
Monday the female guppy died... she was okay sunday night I don;t know
what happened.
Tuesday I decided to buy two more female guppies and two swordfish.
Since monday I have been replacing roughly 10gal of water every day.
Yesterday one of the swordfish behaves weird. He can't stay straight
and can't swim very well and is upside down all the time.
I holding him with my fish net at the bottom so he doesnt get bitten by
the other fish and he is not adrift.
I tested the water again, and again no signs of amonia, ph still 8 and
nitrites zero...
Yesterday I added some gravel from the fishstore, to help grow
bacteria.
All the other fish seem to hold well, so I am not sure what to think at
this time, if the problem is the water or if it is the fish were weak
to start with and all this stress was too much for him...
Don't know and I want to understand, I don't want to see more fish
dying... that is not what I got a tank for... :(
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Posted by dfreas on March 17, 2005, 12:32 pm
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Offhand I would suggest lowering your pH to 7, a pH of 8 is quite high
for tetras. I'm not suggesting this is the problem but it certainly
isn't helping - such a high pH will probably stress most freshwater
fish a bit, and tetras in particular since they prefer soft slightly
acidic water. I know when my CO2 system stopped working and my pH
jumped to around 8 all of my cardinal tetras hovered together in a
corner and stopped moving until the pH came back down again.
Other than that it is difficult to say without knowing more. It doesn't
sound like you did anything terribly wrong. Just wait it out and hope
for the best.
-Daniel
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Posted by HammerJoe@gmail.com on March 17, 2005, 1:03 pm
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The tetras are doing great, they swim all over the place and are a joy
to look at... I plan on getting more to make a bigger pack... it's nice
to see them together. :)
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Posted by spiral_72 on March 17, 2005, 1:14 pm
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When you added the fish were they allowed to acclimate or just dumped
in? The pet store may have water of 7.0pH. A pH change that large
should be very gradual........ Add your tank water to the bag a little
at a time over an hour when you bring them home from the pet store.
IMO neons don't like high pH at all. A product like "PH 7.0" is a very
simple way to lower your pH to a preset level and hold it there,
especially for a beginner. Be warned though, phosphate buffers like PH
7.0 may cause problems later. If you use it, make the pH change over
several days. Add the stuff a little at a time.
my aquarium page, info and pics at:
www.geocities.com/spiral_72/Spirals_page.html
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Posted by HammerJoe@gmail.com on March 17, 2005, 2:28 pm
Please log in for more thread options It is strange that you say neons dont like high ph... I have neons
tetra, not Cardinal.
As I said, they are doing great.. I don't notice anything unusual about
them... they are all over the place. :)
If they are sensivble to the ph by now they would have shown signs of
it...
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