Columnaris - HELP!

angyles

angyles

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Nov 4, 2002
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so yesterday, I was bored and read through the sticky thread about Diseases. When I got to Columnaris, I went OHH, I think my diamond tetras have that. For two years, every since I got them, they've had fungusy looking mouths. They get better, and worse, but never anything other than that. When I read about the sickness, I was like wow, that sounds horrible, I'm happy I haven't had any of those issues.

This morning. NEXT DAY. I get up and one of my male rosy barbs has the full on WHITE SADDLE with tufts of cotton. after all this time!!

So I'm freaking out now. The treatment sounds very labor intensive. At this point do I pull the rosy and all the tetras and treat them in a QT tank, or do I have to treat to whole 150G because it's been in there undiognosed for so long? Even if I treat the whole tank, should the rosy get special care cause he suddenly looks like death?

I can't believe this has happened!!!
 
The bacteria are opportunistic and often present. You could just treat affected fish.
 
okay so I'm in action right now to put the diamond tetras and rosy barbs in a 20G QT tank together and treat that. The big tank has only been up and running for 4 months, but the B. filter is established and I'm afraid to wreck it. And it's huge and will be expensive to treat. I'm going to follow the instructions passed on by Oddball in the thread, and hope it doesn't come back to haunt my big tank in the future.

does anyone else have any advice to add?
 
I had to deal with columnaris, I found that Maracyn will do the trick (my betta had it a year or so ago, and the treatment worked).
 
I just treated for columaris. When I "adopted" my fish 2 of them had it bad. First I treated with marclyn, it came back 2 weeks later. I then treated with melafix and salt and it cleared up in a few days. It hasn't been back yet. My molly had it so bad that it was all around his mouth, his eyes, his head was covered, and it went down his back.
 
okay so I've got all the tetras and barbs in a 20g together (tight fit but best I could do) and have started with maracyn. let's hope it works! I'm planning on doing a full 10 days.
 
I used Maracyn and Maracyn II together for 10 days. The Maracyn II was for any secondary infection that might be present.
 
I feel your pain, I just lost about 16 fish to columnaris, my fish would literally die within 24 hours of noticing any symptoms. In the past I have used Maracyn/Maracyn 2, but this time around am currently using API Tetracycline to treat my remaining fish.

So far I have been treating for about 48 hours and lost no more fish (touch wood).

Good luck.
 
well we're on day two of doing JUST macaryn, and there's a noticable improvement on everybody. The rosy barb is looking better and swimming around again. Maybe I really should add in macaryn II though....maybe after the first 5 days I'll incorporate that for the last 5 days.
 
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