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Help - Identify illness - Fungus?

2481 Views 20 Replies 7 Participants Last post by  jeepguy

I just recently had a molly with fungus and a minnow with open sores/missing scales and treated the tank with Fungus Guard. The molly lost the fungus and the minnow died a couple days later. I did 2 treatments worth = 3 tablets for 30 gallon for 4 days, 25% water change then retreated with 3 tablets for 4 days.

1-1.5 weeks later and the same molly showed signs of fungus again and tail rot. A few more mollies with tail rot too. I'm retreating with the remaining Fungus Guard and tomorrow will be day 4 of round one.

The molly originally with fungus, no longer has it, but now a new Molly does. One of my larger ones. Here are photos so you can help identify what this is or confirm that it is fungus. It almost seemed this fish starting showing symptoms after starting treatment.

If you suspect its something else like ick or parasites, what medication should I use with Corys in the tank?

Thanks for any help you can give! I will be able to purchase new or more of the same med tomorrow.
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How to know it is ich if you have not seen it before?
Pick a specific white spot and watch it. Maybe even write down or take a picture of the spots. Then if it is ich, it will change quickly. Almost like the fish has changed his shirt! Ich on the fish drops off to lay on the bottom, matures and swims to get back on the fish. But quick action is really important. Treat for the first spot rather than a week later as it helps. And certainly don't stop treating just when you see it no more. It is still there so fight it for 6-7 days more to be sure it is out of all the hidden spots.
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