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at what levels is nitrite toxic in a new aquarium?
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Kieron
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Joined: 06 Aug 2003

PostPosted: 2003.08.13(Wed)7:39    Post subject: at what levels is nitrite toxic in a new aquarium? Reply with quote

at what levels is nitrite toxic in a new aquarium?
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Jeff J.
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Joined: 05 Aug 2003
Location: Virginia, USA

PostPosted: 2003.08.13(Wed)8:06    Post subject: Reply with quote

At the same levels as any established aquarium.
Are you having trouble getting your tank cycled?
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Mario
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Joined: 05 Feb 2003
Location: New York, NY, USA

PostPosted: 2003.08.13(Wed)8:52    Post subject: Reply with quote

It is believed that levels as low as 0.5ppm are stressfull for your fish. Levels of 10ppm and higher are lethal over a period of time.

If you are cycling your tank with fish and you suspect your nitrite levels are too high, the best thing to do is to change some of your water. This might increase the time your cycle will take to complete, however, if you can save your fish it's definitely worth it.

Please let us know if you have any more questions... mario
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kdjoergensen
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Joined: 22 Apr 2003

PostPosted: 2003.08.14(Thu)6:55    Post subject: Reply with quote

In freshwater aquariums as little as 0.1 ppm nitrite can be lethal. If you add 1 tbs salt per 5 gallon of water you can safely render the nitrite harmless at least in lower concentrations.. If your tank test positive for nitrite I would recommend a large water change and the addition of salt. Before you add salt, however, make sure you do not stock fish which are very sensitive to salt (catfish, etc)

In marine aquariums (saltwater) much higher concentrations (up to 10 ppm) should be safe, but in freshwater minute amounts can be leathal. This is the reason for adding salt, if needed...

Do not take nitrite spikes lightly... perform large water changes and possibily consider adding a pouch of biospira to recharge your biological filter at the same time...
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