Pond algae on bottom.

Discussion in 'Introductions' started by Peter Q, Jul 3, 2017.

  1. Peter Q

    Peter Q

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    Hi there,
    I've installed and maintained several ponds/water features, over the years. Presently, I'm dealing with a pond that has a clarity issue. I can handle that. My question is the algae on the gravel at the bottom of the pond seems to be bothering the owner. A vacuum won't work, without sucking up the gravel. Any other suggestions as to how to rid the pond of this, short of draining and cleaning?
     
    Peter Q, Jul 3, 2017
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  2. Peter Q

    DutchMuch Lord Of The Aquascapes!

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    What kind of algae are you dealing with? Different ways to cure of different algaes...
     
    DutchMuch, Jul 3, 2017
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  3. Peter Q

    Meyer Jordan Tadpole

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    What type of fish does this customer have? Algae growing on a gravel substrate is not usually an issue if Koi populate the pond. If only Goldfish are present, then there is not much that can be done. Using an algicide or cleaning the pond are only temporary fixes as this algae (periphyton) growth will return. It is a naturally occurring part of an aquatic ecosystem. This is typically a problem that contractors encounter. The customer believes that they can have a Decorative Water Feature with fish. When you add fish, it truly becomes a pond and it includes all of the trappings that are associated with a pond , including algae the base of the food chain.
     
    Meyer Jordan, Jul 3, 2017
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  4. Peter Q

    Peter Q

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    He has no fish. He wants no fish. He does want clarity and to remove the algae from the bottom. I could probably lightly disturb the gravel and algae on the bottom, encouraging the skimmer to pick it up. I'm thinking maybe use Oxy-lift prior.
     
    Peter Q, Jul 3, 2017
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  5. Peter Q

    Peter Q

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    I don't see any string algae. It seems to be clinging to the gravel and liner and clouding the water.
     
    Peter Q, Jul 3, 2017
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  6. Peter Q

    DutchMuch Lord Of The Aquascapes!

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    Clouding the water and mounding could just be good ol' cyanobacteria:
    upload_2017-7-3_12-48-16.jpeg

    That and a mix of some other algaes....
    Not many ways to remove them, algae feeds on light, and excess organic matter. I would personally just check and make sure there isn't anything mounding up in the pond (leaves, clutter, etc) and just keep it "clean" in general other than the algae. Only thing I can think of. You could also try a UV but, mixed results may occur.
     
    DutchMuch, Jul 3, 2017
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  7. Peter Q

    Peter Q

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    I tend to agree. I'm inclined to clear up the water and see if that doesn't do it for him.
     
    Peter Q, Jul 3, 2017
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  8. Peter Q

    Meyer Jordan Tadpole

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    Does this pond have plants?
     
    Meyer Jordan, Jul 3, 2017
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  9. Peter Q

    DutchMuch Lord Of The Aquascapes!

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    Good question, Is there plants? plants act as a natural filtration system for the water. And offer many benefits other than looks, depending on what types of plants weather emersed, submersed. Aquatic, or fully aquatic. They can totally change the act and look of a pond and how it functions.
     
    DutchMuch, Jul 3, 2017
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  10. Peter Q

    DutchMuch Lord Of The Aquascapes!

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  11. Peter Q

    Mmathis TurtleMommy

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    Does he HAVE to have the gravel?
     
    Mmathis, Jul 3, 2017
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  12. Peter Q

    Peter Q

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    No plants and he doesn't want plants. I think you're beginning to see my dilemma.
     
    Peter Q, Jul 4, 2017
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  13. Peter Q

    Peter Q

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    The gravel is mainly around the outside perimeter of the pond and in the upper falls areas only. The body of the pond is mostly just the liner.
     
    Peter Q, Jul 4, 2017
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  14. Peter Q

    mrsclem mrsclem

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    No plant and no fish. Maybe treat it like a fountain or pool and use chlorine.
     
    mrsclem, Jul 4, 2017
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  15. Peter Q

    Meyer Jordan Tadpole

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    I agree. Since this is strictly a decorative feature, starting a routine of applying pool chlorine tablets. This will control any algae growth. If turbidity still exists then treatment(s) with gypsum will correct that.
     
    Meyer Jordan, Jul 4, 2017
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