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Thanks, I read that too. I just don’t understand how it could have gotten into my tank, that’s why I’m hesitant to believe that’s what it is. I haven’t added any new fish into my tank.
Hey y’all! This is Berry, my 2 year old glofish tetra. I noticed a small spot on her tail about a week ago. Back then it was tiny and a light gray color, barely noticeable. Today it’s gotten much larger & darker. Does anyone have any idea what this might be & how I can treat it?