Dead cory cat :(

jessa10

AC Members
Aug 29, 2006
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Hi everyone I haven't been on here for a while so first of all I just want to say hello to everyone. Now my problem, I have a few different tanks and in my 10 gallon I have 4 cory cats, 2 bronze and 2 peppered. They have been living happily in this tank for about 2 months now when out of nowhere one of my peppered cories died. He was swimming around normally one day and then the next day he was dead floating on the top. I have no idea what happened, but I want to find out before I get more. I also don't want my remaining 3 cories to die! I never noticed anything strange about his behaviour before he died so does anyone have any ideas what could have happened? Thanks for any advice.
 
whats your water paramiters like. Temp amm nitrite, nitrate etc....Oh, and water change schedule
 
Temp=78 amm=0 nitrite=0, nitrate=10
I do 20% water changes every week and gravel vac every 2 weeks. I just can't explain this. I should also mention that he came from the lfs with one eye missing. He has been fine for so long though, that I didn't think that was a factor.
 
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