My experience seems different than most peoples. My fish were fine for the first dose, then lost after retreating 3 weeks later. Same procedure.
I'm pretty sure my ram has them, based soley on clear, stringy waste. Not every time, but enough to make me think so. Its eating normal, good color, actively swimming.
Based on my first experience, I am hesitant to use levamisole again. But don't want to wait until its too late. I've got some on the way.
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