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Thread: Pink spot on 2 of 15 fish
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28-03-2021, 02:26 PM #1
Pink spot on 2 of 15 fish
Afternoon all, firstly I would describe myself as a total number when it comes to koi health and I have discovered 2 fish with pink lumps, I'll attached a photo. My 6200l pond currently has a ph of 9, my ammonia, nitrates and nitrite levels are good yet 2 fish have these. I have no idea on how to treat ........
I scraped one fishbyeatersay and the microscope came up with this, haven't a clue what it could be and how to and how much to treat. Doni quarantine the sick fish or treat the pond as a while due to the other fish potentially having the same issue but have no symptoms.
Any help would be greatly appreciated and many thanks in advance.20210327_152657.jpg20210320_172236.jpg
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29-03-2021, 12:27 PM #2
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Sorry I can't help here. What are we looking at on the slide? Was anything moving on there?Sorry to be so unhelpful but the photo of the fish is too poorly focused to speculate. Has it got 2 dorsal fins? Or is one of them the pink lump?I've put some marks on the image. It would help if you could tell us what magnification you are using.If nothing was moving then disregard below....The blue circle at a push might be fluke hooks but the rest of it is....? So it probably isn't. The mucous doesn't seem thick enough to obscure the body.The red arrows.... Were these moving?The yellow arrows? Were these moving?They have changed the attachment interface to make it more difficult to do. So I'm dubious whether there will be anything attached to this post.The option to upload is there and usable but there is no option to attach online or attach anywhere, that I can see. Might be a browser bug so if it fails I will try one more time on a different browser.
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29-03-2021, 12:28 PM #3
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OOOOH it did work. Why does it insist on removing my paragraphs though.
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29-03-2021, 03:57 PM #4
There’s nothing of relevance on that slide.
Agree with Justin that the image of the fish doesn’t show us anything there.2016 new 6000 gallon pond
https://www.koiforum.uk/pond-construc...ghlight=feline
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30-03-2021, 10:15 PM #5
Evening chaps,
Yes I hold my hands up the photos are awful I know please forgive me. Nothing was moving on the slide and the very helpful blue circle drawn by Andre was the only part that I thought maybe something yet as a novice I am happy to agree that there is nothing relevant. I have another photo of the fish with the pink lump in question and I dibhopenthis will be a better attempt. 20210329_180455.jpg
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30-03-2021, 10:17 PM #6
Crap photo again apologies, it's quite clear on my phone. I just hope this lump doesn't manifest into something serious.
Could a high ph of 9 be causing any undue stress? Ammonia and the like are at good levels.
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01-04-2021, 12:12 PM #7
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Is the pH normally 9? Who is your water supplier? Is the water from the tap also so alkaline? Which method of testing are you using?
I'm sorry but I don't know what the lump is and I don't want to guess as your guess is as good as mine and its your fish.
Have you felt the lump? If not, give it a very gentle prod with your finger and report back. Is it hard or soft.
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04-04-2021, 09:25 AM #8
Hi Andre,
I am using a NTLabs testing kit (take 5ml of pond water and add drops from solutions into test tubes), not making you suck eggs lol.
My water supplier is Anglian Water, I hope this isn't a heads in hands moment lol which I now tested the tap water and the results are as below compared to the pond. I also use fresh start to dechlorinate when doing water changes.
PH is 9 in the pond and 7.5 from the tap.
GH is 14dGH from both pond and the tap.
1dGH = 17.8mg/L (CaCO3)
According to the results card 8dGH is correct which is 142ppm.
KH is 10dKH from the pond and 12dKH from the tap.
1dKH = 17.8ppm (CaCO3)
Results card says <7dKH (125 mg/L) is ideal.
The lump is harder than softer but I wouldn't say it's too hard.
I'm thinking I should contact a local koi supplier and take the koi to them or have him come round to reduce the stress on the fish.
Unfortunately and sadly I hope someone has had this issue before so they may share some light as I am stomped too Andre.
I appreciate all replys and inputs. Thank you very much from a worried koi man. The fishs behaviour seems to be normal, no scraping on objects or holding fins tight to the body, no inactivity or change in feeding.
I have no UV light or heater on my set up, k1 media in the filter.
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04-04-2021, 09:28 AM #9
Can't comment on the fish it's self but ph is high tbh beweent 7 and 8.4 I think are perfered for koi as I understand it but could be wrong
Sent from my F5121 using TapatalkFreddyboy the legend
"we are water keepers first"
Johnathan
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04-04-2021, 09:48 AM #10
Thanks Ajm. I've been looking online at pH reducers. Would you kindly you kindly recommend any?
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04-04-2021, 09:51 AM #11Freddyboy the legend
"we are water keepers first"
Johnathan
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04-04-2021, 10:08 AM #12
I'll be sure to look that up, appreciate your time and happy fishing
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05-04-2021, 05:13 PM #13
With a high PH like this runoff from an unsealed area of cement is sometimes the culprit, however if this were the case you would expect the KH and the GH to rise also, but your readings are lower and the same as the tap water respectively. I'm no expert on this but it's worth just checking if all areas round your pond are sealed. For the first few years my pond would run with a PH around 8.5 sometimes it rose to 9 like yours. I tried a few things such as providing shade to prevent the PH rising due to algal action as well as checking all concrete surfaces were sealed. In the end I turned to RO, running a trickle in. After about a year the PH had lowered to 7.2. but I had to buffer the KH. I ran the RO system for about 4 years but have since stopped. I expected the PH to start rising again but it didn't do to much. So i now run just with Tap water through a big blue purifier cylinder and the PH is 7.5 at the moment. I can't explain this only to say that all ponds even on the same water supply run differently.
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05-04-2021, 07:27 PM #14
Good evening twokoi, that's an interesting piece of knowledge re the cement, unfortunately if that was the case I would have a leak in my pond and I know I don't. Back to the drawing board for the pH. Appreciate the input fella.
Anyway, back to my original issue, I'm going to take my affected koi to the local koi doctor and I shall report back once I have done this. Hopefully they can shine a light in this lump for myself and the forum.
Again I wish to thank all that has commented.
I'll be back......
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05-04-2021, 11:47 PM #15
As AJ said most books recommend Koi are kept between 6.8 and as high as 8.6 quoted, so your just over that level . . best is stated as 7.2 to 7.8
Do you have a lot of algae ? That can raise ph I noticed you said you had no UV
As you are aware KH or carbonate has an effect particularly if ammonia levels are up but there is no mention of a high test for that
Do you know what temp you are at ? particularly now with this cold snap
Interested to find out what it is early shouts were Carp pox, unsightly but of no great nuisance to a fish1000 gal
2 x Hozelock 6000ltr 9W UV
Allpond Spin Filter 8000 11W UV
Blagdon pond oxy 640 ltr/hr
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Running heater at low temp?
Covering the pond with polycarb should be enough to stop water temps dipping below 6C for the most...