What is a treatment for Discus fish that have parasites?
Diagnosing Discus is extremely difficult. THere could be a number of other things from water quality, to bullying, and the symtoms would be what you describe. Generally you should quarantine them. Put them in a very warm tank (92 – 93 degrees) with extremely clean water (Ideally 50% water change per day, with RO or de-clorinated and exact same PH water). Add aquarium salt at a rate of 1 Tbsp per 5 gallons. You need to treat them with metronidazole and praziquantel. It is important to treat them with both of these medications. Treat with the metronidazole first, and then the praziquantel. You may need to repeat more than one round of the two. If you can’t quarantine them, do this to your entire tank. May not be a bad idea since your other fish are exposed to whatever it is. Both of these medications are fairly safe, so it’s not a danger to your other fish, plants, or your filters. If you crank the temp, make sure the fish are getting enough oxygen. As temp goes up, water can’t hold diss
