I just saw this thread. Very interesting stuff! Being new to this hobby, I was under the impression nitrites in any amount were considered lethal. So, I mistakenly added animals to my tank mid cycle. 2 ADF
from my 5 gallon tank who were being bullied by my betta. Then after a week added 7 neons ( NOT a good choice for fish in cycling). So over the past couple of weeks I've had nitrite readings anywhere from .25 or less to off the charts unreadable. I've done as many as 3 50-75% wc
a day. Still doing 1 50% a day now for the last few days to keep the nitrites under 0.25. So, I'm almost there. Fishwise, I'm down to 2 neons (3 died from poisoning, and 2 the frogs caught and had for dinner, they were smaller ones). My frogs seem unphased by all this. Its crazy. The remaining neons seem fine, but I expect them to not live at this point, but they look good, eating and all. I just keep changing the water :sigh: Anyway, I'm interested to read more about what species are better at adapting to toxins. It should be a part of newbie fish owner articles!
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