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Limestone For waterfall

Discussion in 'Water Features' started by muddy00, Jul 12, 2006.

  1. muddy00

    muddy00 LawnSite Member
    from IL
    Posts: 68

    What is the risk to using a few pieces of Limestone as a waterfall in a pond? Customer likes the color of the Fondulac Stone but has me worried if he adds fish.
    Any thoughts?
  2. BSDeality

    BSDeality LawnSite Silver Member
    Posts: 2,850

    limestone does very funny things to water quality. I would not add any limestone to a water feature unless you can combat the chemical changes that will occur in the water
  3. Rockriverfish

    Rockriverfish LawnSite Member
    Posts: 4

    Alot depends on the water chemistry to begin with. If your source water in IL is anything like mine in WI (high Ph, and very hard already) then the addition of limestone will probably not be a problem. The high Ph of the water would not cause as much leaching as some one with source water that is of an acidic Ph. In addition, regular partial water changes (which is a good thing for the fish) would bring the hardness back to base level more quickly than the limestone could increase it.

    BGTIME LawnSite Member
    from zone 5
    Posts: 21

    it might raise th pH a little, and possibly a little more alge too. unless they are going to be diehard koi fans, it shouldn't be a problem.

    I've used wisconsin flagstone in a few waterfalls with no problems.
    -one or two pieces, not a solid flagstone wall-
  5. jd boy

    jd boy LawnSite Member
    from nw ohio
    Posts: 179

    wouldn't that problem be something that would eventually work it's way out? I mean it won't leach out lime forever, will it?
  6. haulinggrass

    haulinggrass LawnSite Member
    Posts: 39

    I have a question on the same line. I want to build a pond that water will channel through to large limestones. In short the water would be next to limestone 100 persent of the time. Will this work? Thanks for any help.

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