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View Full Version : Re: lethargic fish - what's wrong?


Geezer From The Freezer
August 3rd 04, 10:09 AM
Brian wrote:
>
> I have fish that are too lethargic. I have three spotted cories that do
> nothing, which is not the behavior I expect from them. And, I have four
> diamond tetras which have gone sluggish. I just did a tank cleaning &
> water change yesterday, and filter cleaning. While I was at it, I
> checked all my water parameters. The only thing out of norm is the
> general hardness, which is either off the scale, or my test is defective
> (a possibility, as it's a bit old). These tetras used to play all over
> the tank, and now they just sit around. I've only had them for a year or
> two. Any thoughts?

Brian,

Did you clean all the filter media? If so then you possibly just wiped out a
large portion of your biobugs. Check for ammonia and nitrites.