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Thread: limestone

  1. #1
    Tosai
    Join Date
    May 2006
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    24

    limestone

    Does anyone know if using limestone in a koi pond has any affect on the water? In my case, it would be used in the water as part of a structure. I have read on here that lime has an effect on the ph level but is that the same lime in limestone? Thanks!

    Minh

  2. #2
    Honmei
    Join Date
    Sep 2005
    Location
    Martinez,CA
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    4,611

    Limestone is a Buffer!

    Limestone is a buffer and will neutralize acids. In areas where there are large limestone deposits, unpolluted rainwater, which has a pH of less than 5.6, has the acid in it buffered.
    I would not worry about using limestone in your pond.

  3. #3
    Tosai
    Join Date
    May 2006
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    Thanks, Russel. I was worried that it would drive the pH to levels too high for the koi.

  4. #4
    MCA
    MCA is offline
    Honmei MCA's Avatar
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    Dec 2003
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    Atlanta
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    I put in powdered limestone when I add koi clay. keeps this soft GA water from crashing. never had a kH problem in the limestone rich water in TX.

  5. #5
    Honmei
    Join Date
    Sep 2005
    Location
    Martinez,CA
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    4,611
    Quote Originally Posted by MCA View Post
    I put in powdered limestone when I add koi clay. keeps this soft GA water from crashing. never had a kH problem in the limestone rich water in TX.
    That's good to know, thank you.

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