Hello! So I don't have a quarantine tank, and I added a rainbow fish about 3 weeks ago. After a few days I noticed the ich and over a couple days increased the temperature of the tank (29 gal) to 90 degrees F. I was just lowering the temp today (14 days since temp increase) and noticed a neon that looked suspicious. I'm wondering if this is still ich? I was very obvious on the rainbow, which I did lose ultimately. Any advise would be appreciated. All other fish and inverts. appear healthy. Nitrogen levels and ph are normal. Thanks!
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