New tank - nitrite level very high - Tropical Fish Keeping - Aquarium fish care and resources
 
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post #1 of 6 Old 10-19-2011, 11:03 AM Thread Starter
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New tank - nitrite level very high

I'm about 5 days into a new 15 gallon tank, cycling, currently has 5 tetras in it.
Looks like the nitrites are beginning to rise quickly right now. Just tested and my levels are pH 7.6(highest on the chart I have), ammonia .5ppm, nitrites 5.0ppm(highest as well), nitrate 5.0 or 10.0ppm(hard to tell)
A couple of the fish are acting funky this morning, I think the levels are getting to them. Should I do another 5 gallon water change to help them out? I'm about to be out of town a few days and having a friend feed them when I'm gone, so I won't be able to monitor it closely, I'd like to leave it safer rather than risk a fish dying while I'm gone.
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post #2 of 6 Old 10-19-2011, 11:08 AM
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water change is your best bet right now, large and frequent. don't be surprised if you loose fish anyway, though.

**I freely admit that most of the information I share I have learned from other people on this forum and am simply repeating. I thank you for sharing your knowledge and ask that if I say anything incorrect someone will kindly correct me**
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post #3 of 6 Old 10-19-2011, 11:28 AM Thread Starter
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Thanks - changing another 5-6 and a good dose of Prime. I'll test again late late tonight to make sure it corrected it decently. I think I need to cut down feedings too - been doing it nightly, I'll go to every other day until this is established.
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post #4 of 6 Old 10-19-2011, 12:21 PM
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it will take time for the levels to come down. you have to establish two different bacteria populations. cycling often takes several weeks; if you are only at day five you have a ways to go.

**I freely admit that most of the information I share I have learned from other people on this forum and am simply repeating. I thank you for sharing your knowledge and ask that if I say anything incorrect someone will kindly correct me**
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post #5 of 6 Old 10-19-2011, 01:09 PM
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Daily water changes of half the tank volume are essential if nitrite is above zero. Using Prime will help as it detoxifies nitrite; it will still show on tests though. But Prime is only active for 36+ hours, so daily monitoring is still essential. As Prime wears off, the nitrite will be toxic.

Byron Hosking, BMus, MA
Vancouver, BC, Canada

The aquarist is one who must learn the ways of the biologist, the chemist, and the veterinarian. [unknown source]

Something we all need to remember: The fish you've acquired was quite happy not being owned by you, minding its own business. If you’re going to take it under your wing then you’re responsible for it. Every aspect of its life is under your control, from water quality and temperature to swimming space. [Nathan Hill in PFK]
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post #6 of 6 Old 10-19-2011, 01:22 PM Thread Starter
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Thank you - I'll check again in the morning and do one last one before I leave if necessary. If I had known anything about this process I would have waited to start a tank but - lesson learned I suppose.
The guy feeding them over the weekend owns a tank himself so I'll have him monitor.
I appreciate all the help/advice.
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