How fast do Koi grow


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yes it depends on diet mainly , if you dont want them to grow very large , dont feed them protein or too much food , they will remain smaller , but big pond gives them alot food naturaly so they grow faster and if you have small pond and you give them good diet they can still get big . other factors all attached to big pond and filter is that they consume food quicker from exercise then you can feed them more to grow , if filter is strong it can withstand waste or you cant feed them alot .
i disagree with people who say koi will outgrow small pond , no it wont if you dont feed them much ... from where they will get mass without food?
 
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I bought 6 tosai (two to three and a half inches, from PETsMART) in April of last year and placed them in my 700 gallon pond. At the time of this post, roughly 18 months later,5 are in excess of eighteen inches' (the 6th is about 8 to 9). I have a feeling genetics many be as important as care since the larger ones are ogon and asagi while the small one is a sanke. Anyone want to help me dig out a larger pond next spring?
 
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thx, I disnt want to start a new thread on an already discussed topic....I didnt pay attention to the date...sorry.
I stop reading threads once I feel I can no longer either learn from, nor contribute, and I don't think I'm the only one so it is my advise that you do start new threads unless of course there is a very current one that still gets enough viewers :)
 

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