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Thread: When dose hot become to hot ?
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06-07-2021, 11:02 AM #21
As long as dissolved oxygen is ensured, its water temperature is not a problem at all, but rather preferable. In Japan, the water temperature can often exceed 30°C in shallow mud ponds and small aquariums. In such cases, it is often advisable to avoid feeding during the day and to resume feeding after sunset. My own experience is that when the water temperature exceeds 28 degrees Celsius, the KOI will eat the food but will show signs of being unable to digest it. (Didn't we say many times that we are more particular about the condition and shape of the faeces? ) For me, the ideal water temperature would be around 25°C. I have had several perfect environmental cycles where I have been able to feed quite heavily in this temperature range and still have very little droppings. (It didn't last long when I was in the UK, but it did happen. ) In Japan, almost no one cools their water in the middle of summer, so I can't say as I have no experience of keeping them in a temperature range below that, but it seems that South African hobbyists have had pretty good results even at around 24°C during the summer.so perhaps they have better conditions than us Japanese, who have to stop feeding or reduce the amount of food because the water temperature is too warm in mid-summer.
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Mikeh83 Thanked / Liked this Post
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18-07-2021, 08:44 AM #22
Thanks for your input Naoki always an interesting perspective you provided. You have mentioned again how in Japan the importance is placed on the koi’s digestion/ faeces above all else. When I have asked for examples of what is good and what is bad from a digestive/faeces perspective you have unfortunately failed to provide any useful information.
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Ajm, davethefish1 Thanked / Liked this Post
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18-07-2021, 09:29 PM #23
Thank you for your interest. Unfortunately we don't have a standard for KOI keeping, so we can't say anything definitive. To put it crudely, we live in a world where the right answer is the one with the best results. We are not like tropical fish keepers who are always trying to fit a test kit to a water quality test. We believe that the best strategy is for everyone to fine-tune in their own way. So why don't I start by giving you bits and pieces of information so that you can work out the best way forward?
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davethefish1 Thanked / Liked this Post
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18-07-2021, 09:37 PM #24
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Ajm Thanked / Liked this Post
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18-07-2021, 10:23 PM #25
Roger that. First of all, when we start to raise KOI in Japan, we are taught that UKIFUN (faeces floating on the surface of the pond) is undigested faeces and that we are feeding too much.
It is certainly not desirable to see a lot of bloody or jelly-like material over a long period of time.
When I visited England for the first time, I went to the house of a man who published a Nishikigoi magazine at that time, and I saw a lot of undigested faeces floating all over the place, while he was happily feeding silk worm pupae to his Koi because they were happy to eat them when the water temperature was less than 20 degrees Celsius. I remember thinking that it is not yet customary to check the digestive status of KOI in this country.
As I mentioned before, I found some American threads and tropical fish researchers mentioning them.
https://www.koiphen.com/forums/showt...Please-clarify
https://www.koiphen.com/forums/showt...ace-what-is-it
https://www.koiphen.com/forums/showt...ting-Fish-Poop
https://www.youtube.com/watch?v=HHJ0nKIMvfg
As for the shape of the feces, I found some guidelines here that are pretty close to what I'm thinking.
https://allaboutkoi.us/2016/04/22/koi-feces-diagosis/
However, this is only a reference: KOI's appetite, pond water contamination and number of times the filter tank has been cleaned.
I think it is something that should be improved by grasping the complexities of such things.Last edited by Naoki Atsumi; 26-07-2021 at 05:13 PM.
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22-07-2021, 01:25 AM #26
think mine must be at their too hot now, 2 days of not wanting to feed, but then its been flipping hot here with that whole risk to health met office warning on this area
the slow pond build thread
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Ajm Thanked / Liked this Post
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23-07-2021, 09:34 PM #27
When they started issuing warnings that it was going to be cold in winter i actually said to the wife, give it a couple of years and they'll be giving warnings that it's going to be hot in summer.
And here we are!
When they first issued an extreme heat warning in the South West on the evening weather I was genuinely expecting to see 40C, then the map came up showing temps been 28 and 31 and I found it quite embarrassing to watch!
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