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How long do you leave the light of for expel-p?


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On 2/25/2022 at 7:26 AM, KingTulip said:

On the packaging it says to leave the light off for duration of treatment, should it be 24hrs and turn it on after the water change or off for the week until you do the 2nd dose and water change?

I’ve read somewhere, I can’t remember where, that the levamisole does it’s work within the first hour of treatment.  So I’ve taken to treating after lights out at night, at least after the first treatment which I do during the day so I can monitor with room light.  Then I proceed with the rest of the recommendations the next day on the water changes, to remove any expelled worms and eggs.  You should always treat at least twice and better is weekly treatments for 4 doses so you can get any worms that may be in intermediate stages (which can be less susceptible to treatment) inside the fish.

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