It started last Sunday; I noticed a significant amount of white fluffy growth on the body of one of my black mollies. Within 12 hours, I placed two mollies and a swordtail into the hospital tank (the second molly and the swordtail had a little white on the tips of their fins). I medicated with Mardel Maroxy, Aquarium Pharmaceuticals Tetracycline, and Aquarium Pharmaceuticals Furan 2. All three where still eating and behaving normal. After four days treatment, the Swordtail is fine and back in the display tank, but the mollies still have Columnaris. The amount of growth has lessened slightly on the first. She is still active and eating well. I had to separate her with a tank divider for harassing the second molly. The second molly has increased white growth on the body, is lithargic and not eating. The Aquarium Pharmaceuticals products suggested ending treatment after four days. The water was getting particularly nasty, so I did a 50% water change and have been feeding flake soaked in Maroxy (which obviously doesn't help the second molly).
A third molly in my display tank has no visible white growth, but is also looking lithargic and did not eat this morning. I have a fry tank that shares water with the display tank and has about 30 fry almost a month old. They show no signs of infection.
What do I do from here?
A third molly in my display tank has no visible white growth, but is also looking lithargic and did not eat this morning. I have a fry tank that shares water with the display tank and has about 30 fry almost a month old. They show no signs of infection.
What do I do from here?
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