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post #11 of 15 Old 01-29-2013, 02:52 PM
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Other parameters? PH, GH, KH?
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post #12 of 15 Old 01-29-2013, 03:17 PM
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Originally Posted by hollmic View Post
Well, I added some barbs and everything seemed to be in order. Then I started loosing them. Since my last post I have lost ALL barbs purchased from the LPS and one male that I had since the aquarium was cycled last year.

I only added three very small cherry barb.. was that too many to add all at once? My ammonia did rise but never over .20ppm
3 fish lost in, what, 10 days... Even though 3 is too few barbs to keep, and you had three others anyway, they wouldn't die off that fast. Were your ammonia levels close to .2ppm the whole time?

Symptoms? Water parameters? I suspect that, seeing as the other fish are still alive, it must have been something to do with the fish themselves... Only the fish from the store died.

Oh, you have a 30 gallon, I added 9 1.5" catfish, not a small bio load at all in a 37 and initially I added 12 barbs of 1" a piece. 3 small barbs would be no problem at all and I would be surprised to see your ammonia go from steady zero to 0.2ppm. What else is in the tank, plants (quantity), fish (numbers not just types), filtration, water change schedule, details.....

Jeff.


Total years fish keeping experience: 7 months, can't start counting in years for a while yet.

The shotgun approach to a planted tank with an LED fixture

Small scale nitrogen cycle with a jar, water and fish food; no substrate, filter etc
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post #13 of 15 Old 01-29-2013, 04:14 PM Thread Starter
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GH 150
KH 120-180
PH 6.5
No2 0
No3 80
NH 0
I have a handful of plants. Tiger lilly. Amazon Sword, Flame moss, two different Luteas.
Filtration is just the stock (hangs on the side) filter that came with the aquarium. Brand new.

Last edited by hollmic; 01-29-2013 at 04:15 PM. Reason: Added text
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post #14 of 15 Old 01-29-2013, 04:17 PM Thread Starter
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It spiked to .2 after a few days. Once I noticed and did a water change the levels looked to be easing.. The fish began dying a few days after.
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post #15 of 15 Old 01-29-2013, 04:23 PM
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Quote:
Originally Posted by hollmic View Post
GH 150
KH 120-180
PH 6.5
No2 0
No3 80
NH 0
I have a handful of plants. Tiger lilly. Amazon Sword, Flame moss, two different Luteas.
Filtration is just the stock (hangs on the side) filter that came with the aquarium. Brand new.
Is the Nitrate correct? 80ppm, that's awfully high. It should be kept below 20, or better, below 10ppm. The only way you will get that down is change the water.... 50% will get you down to 40, then again to get you down to 20ppm. How long has it been that high?

Your existing fish might be accommodating it as it was probably gradual, but still very harmful. The new fish had no acclimatization period and were probably killed by it. That's my guess.

Jeff.


Total years fish keeping experience: 7 months, can't start counting in years for a while yet.

The shotgun approach to a planted tank with an LED fixture

Small scale nitrogen cycle with a jar, water and fish food; no substrate, filter etc
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