Originally Posted by harmy4993
They have to be dangerous to fish or it wouldntmatter in fish only tanks or freshwater tanks. maybe not more dangerous then ammonia but i was under the assumption it was. But if it didnt matter fw
wouldnt test for it. Pretty sure nitrites are a fish killer to. Ill do some reading on my days off.
If you read the article I linked to, you would have read that a test was done using 5 tank raised clownfish. Nitrites were raised to 330ppm
. After a few days at this nitrite level, 2 of the 5 fish died