I added a new fish and didnt quartine now my fish are sick with ick and fin rot.  I did a %40 water change and moved two fish into another tank. I have 7 orandas and two tanks. One tank is 50g other is 30g. I've always done water changes twice a month %30. Orandas are about 5inches or so fin to nose. I may be overstocked by a fish or two. What can I do to help them recover from fin rot and ick?

Thanks. Going to get some melafix today.

Re post-

Raise water temperature
Medicate for 10-14 days
Discontinue carbon filtration during treatment
Perform water changes between treatments
*Shirlie Sharpe*

Use a small dosage of aquarium salt; if that doesn't work, try quick cure. I've never had this issue, so this is all net research and retained info!

Thanks for all the help. I'm using melafix, and pimafix. Fish are doing much better. Also removed all carbon filters, and performing daily water changes. I cant wait until this is all over.

Since you didn't quarantine the new fish , it could be carrying  other diseases then the ones you listed. You stated in another thread the pimafix and melafix are not working so i suggest you discontinue them and go with some stronger medications.

For the finrot , use an antibacteria fish medication and for ick, you can use a medication called Quick Cure.   Before switching medications, perform at least 50-60 percent water change on both tanks - which should reduce the number of ick parasites attacking the fish.  Check your water parameters daily and perform partial water changes if you see anything abnormal in the tests.

Ick will not typically go away on its own and will kill all the fish if it's not treated.  Maintain the water above 75 F to speed up the ick parasites life cycle make sure you keep up with the medication treatment long enough to kill all the ick parasites.

Post back here if you need additional help.