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Koivet Had a Forum
Forum contents and participants have "gotten with the times" and moved on to Twitter, Instagram, Facebook.

Aquameds is a mid size provider of fish medications to the koi and goldfish resources you often turn to. They support their retailers as well as the hobbyist. They have a consultation form of great utility. Retailers can also contact them through their site,

Temperature dynamic in feeding
Don't feed Koi under 55o F unless you figure it's going to hang there a while.

Temperature dynamic in feeding

There is a “temperature dynamic” regarding the feeding of fish. Fish are cold blooded. That means they are 'water temperature' if you were to touch them. They don't generate heat, and their metabolism is directly affected by water temperature. So when they are cold, they have a very slow metabolism. When they are hot, their metabolism is racing. Did you know that for every ten degrees increase in temperature, the metabolism of a cold-blooded organism doubles? It's a fascinating fact that you will be challenged to fit into a conversation with anyone. 

Koi that are fed in cold water are usually okay but there are a couple of circumstances that can be hazardous to Koi relative to cold water feeding. If you feed the Koi in cold water, and subsequent to this, the water temperature drops into the low forties, high thirties, the undigested food WILL damage the intestinal lining.

Also, in cooler water, say; under 65 Fahrenheit, you will notice that filtration bacteria associated with the "Cycle" will be less effective and so if fish are fed, be wary of accumulations of Ammonia and Nitrite by products.


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Koi Beginner
Once you've leapfrogged through this tutorial you will have a solid, working concept of the Koi hobby and what it's all about. This is done just about exclusively with video and very little written material.
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DrJohnson.com
More than koi health, this site spans all things animal, by a real veterinarian who shoots you straight.

pondfish
Fishdoc.co.uk
By Frank Prince-Iles. A UK authority who put this site together some time ago and which is still relied upon as a major source of good Koi and pond fish information

goldfish
PondCrisis.com
If you have a koi, pond or fish problem, this site takes you through twenty easy questions and at the end you know what you need to fix in your pond to create restored Koi health.
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If you need pet information AND Koi pondfish and pond information you might like DrJohnson.com which has everything from pet info, to vet info, to koi and pond fish. It has it ALL! Pet Information.

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