I posted the other day about a lethargic molly in our tank, and sadly, things seem to be getting worse. It's a new tank--10 gallons--and it's in week 5 of cycling. The fish started hanging out at the bottom 2 days ago. I performed a 10% water change on Monday, then had water levels tested at the store and was told ammonia was high, but no numbers were given to me (I know...I need to buy a test kit and will do so tomorrow). The next day I goofed...I rinsed out the filter. I posted here about that and was given advice to perform a larger water change, so I did 20% change. Today I had the water tested at a different store and was told the ammonia was high (1.0) but the nitrites were even higher (I forget the number but it was purple...nt good, right?). I was then told I should do a large water change, up to 50%. I went home and immediately did that. Tonight, the molly is way worse. She's hanging out in a fake plant, like she's hiding, and not moving at all. She's breathing but I'm afraid this is the end for her. Did I do something horribly wrong, or is it the nitrites that are getting to her? There's another molly in the tank but she's doing fine.
Do you think there's any hope for this poor fish?
Do you think there's any hope for this poor fish?