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Tue, Jul 13, 10 at 13:11
| I have a little butterfly koi with a sore on it's head. It does not seem to be getting any better, and looks more red around the edges.
My water quality is in good shape. Ammonia, Nitrate and Nitrite all at zero. Should I catch him and dose him with something? Or just give him more time? I attached a photo from 3 weeks ago when I had him in a tub for a photo and another one from today. 
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Follow-Up Postings:
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- Posted by nancym1956 (My Page) on Tue, Jul 13, 10 at 16:00
| Pretty little butterfly. Looks like there has been some progession in the sore from the first picture to the second. I'd say it was injured in some way, and a bacterial infection has set in. I would suggest starting treatment with something like Koizyme. You should be able to find it at a local pond store, but it can also be ordered online. Hopefully others on the forum will have some addition suggestions.
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- Posted by t4codybear 6 (My Page) on Thu, Jul 15, 10 at 6:05
| I had the same sore on one of my Koi, I believe it was some water issues at the start of the season. I used Melafix, it's an anti bacterial wash. I added it to my pond, no isolation, I felt that would be too much stress on koi. It has since started healing nicely, I also had 2 koi with "Dotsy", they had that pine cone look.... Melafix brought them completely back to normal. I thought they were goners after reading that once they hit that "pine cone" stage surviving was slim. Good luck, http://www.pondcare.com/Products/Product.aspx?ProductID=10 |
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| how is your water kh.the kh keeps the ph steady that puts less stress on the fish.baking soda will raise the kh and is very cheap to use. |
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- Posted by heather1970 utahzn5 (My Page) on Thu, Jul 15, 10 at 14:05
| I bought some Melafix and put it in the tank last night. I hope that does the trick. My ph is 8.2, and it rarely varies from that. If it does change, I might get an occasional 8.4 but I have never seen it below 8. I don't have a test that specifically tests kh, but I know we have very hard water here. I'm not clear on understanding the relationship between kh and ph though. I have a mental block when it comes to chemistry (and physics). The only things left between me and a degree in Zoology are Chemistry and Physics classes. I don't think I will ever graduate! |
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- Posted by sleeplessinftwayne z4-5 IND (My Page) on Thu, Jul 15, 10 at 15:02
| To be honest, that looks like hole in the head disease. The causes are not entirely known although it may be a combination of stress and parasites. I have had koi with the condition and treatment can be frustrating and not always successful. |
Here is a link that might be useful: Hole in the head disease
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| Heather, I'm sorry your fish has a sore. Hope he gets better soon. He is really lovely. |
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