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21-02-2017, 11:02 AM | #11 |
Dragon
Join Date: May 2010
Posts: 632
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pictures of your tank and filtration may help
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21-02-2017, 11:03 AM | #12 |
Dragon
Join Date: Jan 2007
Posts: 714
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Total wipe out within a day usually because of O2 shortage. But the Koi will be at the surface gasping. Have you checked your canister? Flowrate?
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21-02-2017, 02:01 PM | #13 |
Dragon
Join Date: Apr 2006
Posts: 1,714
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Not sure if i got it right...
TS said All parrot dies over CNY - give take 1st week Feb. He says he has been cycling tank after wc so more or less 3 weeks of cycling liao.. fish goes in, 24 hr KO. |
24-02-2017, 06:07 PM | #14 |
Senior Dragon
Join Date: May 2002
Posts: 4,048
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check the pH...... high chance pH crashed too low and as a result nitrifying bacteria can't replicate at optimal speed.... and as a result not able to cope with ammonia.
then again if the new fish all died off within 24 hrs, it's most probably due to the pH being too low and the new fish all got shocked/"burnt". |
25-02-2017, 10:18 AM | #15 |
Dragon
Join Date: Apr 2006
Posts: 1,714
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From what i tested when i was super free...
By default our tap water is slightly higher PH (Alkaline) Direct frm tap usually can be from 7 ~10. After add WC usually will be quite constant at 7. |
25-02-2017, 12:57 PM | #16 | |
Arofanatic
Join Date: Jul 2008
Posts: 274
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Quote:
The kois also die off one by one is less than 24 hrs after I have changed the tank water for about a month after the parrots died off. The pleco seems to me to be fine swimming happily in the tank till now. |
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25-02-2017, 12:59 PM | #17 |
Arofanatic
Join Date: Jul 2008
Posts: 274
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25-02-2017, 04:41 PM | #18 |
Dragon
Join Date: Apr 2006
Posts: 1,714
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check the pleco.. got like slime coming off, burns on the fins?
How big is the pleco? Does the fishes seem afraid and always tryin to "run away" frm pleco? any pleco bite marks? |
26-02-2017, 02:34 AM | #19 |
Arofanatic
Join Date: Jul 2008
Posts: 274
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Pleco is about 3in and body looks fine for me.The fishes pass away without any bite marks.I only can suspect my water is not yet cycled ready but wonder why the pleco has not show any issue even now.
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26-02-2017, 01:18 PM | #20 |
Dragon
Join Date: Sep 2013
Posts: 1,175
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Pics will help as we do NOT know what's yr setup like. Any sand? Any wood? etc etc. IMO it's the water chemistry...most prolly PH. 5ft tank should already be cycled already and I dun't think its ammonia that kills them. What's yr water change regime like?
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