I have my fish in my DT in copper power at 2.5ppm. How long do they need to be in copper before ick and velvet is eliminated from the tank? I am not removing the fish after. Just doing water changes. What timeframe am I looking at? @Jay Hemdal
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I do not want it coming back once I lower the dose
They are in my DT already. That’s why I want to make sure it’s completely gone