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- Oct 31, 2017
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Normally if I had to use Prazi in my display I would do it for 24 hours and then water change with carbon. Unfortunately I have a flasher wrasse with white stringy poops and it stopped eating so can't feed anything. Also no way I can catch this fish and I am not breaking down the reef to get it. I am going to try prazi as a last ditch effort. How long do I need to leave it in the water to be effective against internal worms? Does the same rules apply as if you were treating external flukes?