I had clown fish in the quarantine tank for four weeks now. The first four days I used copper power on the clown fish, but took it away because they were not eating. I noticed that the clown fish were pooping, white stringy poop, so I treat them with kana Plex. After a week I put the clown fish into my display tank ( does not have livestock) for 16 mins but took it out because I noticed that the nitrites were above 5 PPM. I decided to treat the clown fish with copper power (2.5ppm) to complete the QT cycle. About a week later, I noticed that the (mostly the male) clownfish had fin rot and white dots at the end of the tails and fins. About four days later, I did a fresh water dip on the male clown fish because it had a lot of fin rot and white dots at the end of the tail, the next day the male clown fish died. A week later (Now) the female clown fish is showing signs of white dots at the end of its tail and fins. Im dosing the qt with copper power (2.5 ppm).I was wondering if there’s any parasites in the display tank and what is the disease?
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