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Old 12-29-2012, 10:51 AM   #1
sam555
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Question High nitrate, fish breathing fast

I have got a 34 litre tropical tank with 2 botia striata's, 2 tiger barbs and 1 red tail black shark. They have been breathing quickly for a while and the nitrate level is high. I do water changes of around 25% every week and yesterday I put an under gravel filter in as well as the normal filter which I thoroughly cleaned. I have an air pump in the tank but they still breath fast. Does anyone know what could be happening and how to fix it
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im 13 and have a 34litre aqua one tank which has:
FISH

2x Botia striata
1x tiger barbs
1x red tailed black shark
4x mollies
1x guppy fry

95litre marine tank
fish
2x clownfish
[COLOR="DarkGreen"]invertebrates
4 emerald crabs
1 hermit crab
1 haloween crab
2 sexy shrimps
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Old 12-29-2012, 04:49 PM   #2
MainelyFish
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I would try doing several larger water changes more like 50% and see if that helps... I had high nitrate and i was doing larger water changes and that brought it down over time...
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Old 12-29-2012, 04:58 PM   #3
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Was the tank cycled?
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Old 12-30-2012, 01:55 AM   #4
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The tanks been cycled for 3 years but I've had the problem for about 3 months.

Thanks mainlyfish I will try that. But will that solve the fast breathing?
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im 13 and have a 34litre aqua one tank which has:
FISH

2x Botia striata
1x tiger barbs
1x red tailed black shark
4x mollies
1x guppy fry

95litre marine tank
fish
2x clownfish
[COLOR="DarkGreen"]invertebrates
4 emerald crabs
1 hermit crab
1 haloween crab
2 sexy shrimps
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Old 12-30-2012, 06:05 AM   #5
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have you checked your source?
tap water parameters can change fairly quick if main works have been going on
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Old 12-30-2012, 07:08 AM   #6
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what do you mean by "thoroughly cleaned the filter"??
How big is that shark?
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Old 12-30-2012, 09:26 AM   #7
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The shark is 12 cm long and by thoroughly cleaned I mean all the scum is off of the carbon and the filter sponge but I cleaned it using the existing water so I didn't get rid of the bacteria needed.
I don't think it's the source because my brother uses the same water and his is absolutely fine and none of his fish are breathing fast
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im 13 and have a 34litre aqua one tank which has:
FISH

2x Botia striata
1x tiger barbs
1x red tailed black shark
4x mollies
1x guppy fry

95litre marine tank
fish
2x clownfish
[COLOR="DarkGreen"]invertebrates
4 emerald crabs
1 hermit crab
1 haloween crab
2 sexy shrimps
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Old 12-30-2012, 10:35 AM   #8
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look past the high nitrates as it may not be the nitrates causing it, ive suffered with high nitrates for a long time and jst got them under control with r.o water and matrix bio filter and not had the same issues, if your fish are compatible to a salted tank try adding aquarium salt to the ratio is says on the packet, (not in one hit mind, add it gradual) salt helps with gill function and helps keep them healthier,
don't overlook any other obvious signs either as you may be presuming its nitrates because they are there
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2 Firemouth Cichlids
2 Silver Shark
5 Barbs
1 Bristlenose Pleco
1 Mega Clown Pleco
3 Guppies
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Old 12-30-2012, 01:24 PM   #9
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Ok, I have high nitrates and my fish don't breathe fast. I have sensitive fish.

I would check your ammonia and nitrite, as these can cause fish to breathe fast. Also stress can cause fish to breathe fast.
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Old 12-30-2012, 02:31 PM   #10
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The nitrite, ammonia, ph, gh and chlorine levels are all fine and in the safe zone. I will try putting salt in my tank
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im 13 and have a 34litre aqua one tank which has:
FISH

2x Botia striata
1x tiger barbs
1x red tailed black shark
4x mollies
1x guppy fry

95litre marine tank
fish
2x clownfish
[COLOR="DarkGreen"]invertebrates
4 emerald crabs
1 hermit crab
1 haloween crab
2 sexy shrimps
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Old 12-31-2012, 09:01 AM   #11
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38 litre tank is not very big for the shark. Perhaps you are running the extra nitrate because you have a bigger fish in a small tank.
That happened to me when I kept a mature Bn pleco in a 5 gallon (20 litre) tank. He was alone but I couldn't get the ammonia under 1 unless i did daily water changes. The nitrates were also elevated too high unless I did daily water changes.
Visually a 4-5 inch (approx 10cm) pleco is not that large in a 5 gallon tank.
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Old 12-31-2012, 09:19 AM   #12
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Originally Posted by mousey View Post
38 litre tank is not very big for the shark. Perhaps you are running the extra nitrate because you have a bigger fish in a small tank.
That happened to me when I kept a mature Bn pleco in a 5 gallon (20 litre) tank. He was alone but I couldn't get the ammonia under 1 unless i did daily water changes. The nitrates were also elevated too high unless I did daily water changes.
Visually a 4-5 inch (approx 10cm) pleco is not that large in a 5 gallon tank.
Would this affect their breathing?
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im 13 and have a 34litre aqua one tank which has:
FISH

2x Botia striata
1x tiger barbs
1x red tailed black shark
4x mollies
1x guppy fry

95litre marine tank
fish
2x clownfish
[COLOR="DarkGreen"]invertebrates
4 emerald crabs
1 hermit crab
1 haloween crab
2 sexy shrimps
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Old 12-31-2012, 09:29 AM   #13
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if there is carbon in the filter cartridge , get rid of it...never use carbon for more that 2 or 3 weeks..i would also suggest a couple of 50% water changes and the addition of an air diffuser...
once carbon becomes saturated it will start to leach toxins back into the tank poisoning the fish...just might be your problem..or part of it.
but i agree...the tank is pretty overstocked.
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10 gallon..nothing but air

10 gallon...just more air

10 gallon...stale air

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Old 12-31-2012, 10:00 AM   #14
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Cossie's tank is the exact same as mine with the same filter and everything but his is absolutely fine with no fast breathing. I will try the water changes but It won't be the carbon because my carbon is relatively new.
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im 13 and have a 34litre aqua one tank which has:
FISH

2x Botia striata
1x tiger barbs
1x red tailed black shark
4x mollies
1x guppy fry

95litre marine tank
fish
2x clownfish
[COLOR="DarkGreen"]invertebrates
4 emerald crabs
1 hermit crab
1 haloween crab
2 sexy shrimps
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Old 12-31-2012, 11:17 AM   #15
lohachata
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how new ?? within the past 2 weeks ?
the tanks cannot be exactly the same...whatever it is that is different is causing the problem..
identical fish..gravel..decorations..there is something different...
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PLECOCAINE = feeding frenzy=PLECOCAINE


if we ignore nature;maybe it will go away

10 gallon..nothing but air

10 gallon...just more air

10 gallon...stale air

just don't ask about the rest

Last edited by lohachata; 12-31-2012 at 11:19 AM.
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