Hey Guys, I have been keeping a close eye on my discus that were acting a bit itchy lately. I did a 4hour 2 ppm PP (potassium permanganate) treatment and after the treatment discus were expelling body slime. I took a look under the microscope and found a lot of worms, they look like nematode/roundworms (see picture below). I have some levamisol flakes and powder, but I am afraid that it will not eradicate the worms around tank. Would PP treatment kill external worms? or should I look at something like Flubendazole?

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