EMERGENCY! NITRITE SPIKE! HELP!!!!

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Thanks! I did not know this.

However, I find myself thinking that chemically true is one thing, and best emergency measure may be another, and very different.
If I find my tank in this situation, the first 2 things I would do, are - 1) water changes to remove the nitrite, and 2) identify and fix whatever is wrong with the biological filter, and add established bio material.
I would definitely NOT go and add salt as a first measure, even knowing that chloride ion is absorbed in preference to nitrite ion.

Thus, the concluding statement of this may be chemically true, but does not jive with my thinking of the best immediate solution-
("Keeping the chloride levels in the water at least 20 mg/1 can prevent nitrite toxicosis").
Instead, the second part of the statement is what I would aim to always do first - ("Additional treatments can include emergency water changes to dilute the nitrite problem") if having such problems.
 
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Thanks! I did not know this.

However, I find myself thinking that chemically true is one thing, and best emergency measure may be another, and very different.
If I find my tank in this situation, the first 2 things I would do, are - 1) water changes to remove the nitrite, and 2) identify and fix whatever is wrong with the biological filter, and add established bio material.
I would definitely NOT go and add salt as a first measure, even knowing that chloride ion is absorbed in preference to nitrite ion.

Thus, the concluding statement of this may be chemically true, but does not jive with my thinking of the best immediate solution-
("Keeping the chloride levels in the water at least 20 mg/1 can prevent nitrite toxicosis").
Instead, the second part of the statement is what I would aim to always do first - ("Additional treatments can include emergency water changes to dilute the nitrite problem") if having such problems.

A water change only fixes the problem for that particular instant and assumes that no more nitrite is being produced. It takes time for the nitrite eating bacteria to reproduced so if even if you add established bio-material or bacteria in a bottle, the problem would not be fixed that quickly. It can even take 1 week to get sufficient nitrite eating bacteria population to continually remove the nitrite.

You have to sleep and/or go to work so while you are not there doing a water change, the salt will protect the fish as the nitrite eating bacteria reproduce.
 
You can also lower the temp in the tank to around 75 to help lesson the toxicity.
 
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