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What can duckweed do?

Discussion in 'Goldfish VS Plant' started by Puie, Oct 30, 2014.

  1. Puie

    Puie Member

    Joined:
    Oct 25, 2014
    Location:
    TX
    I've been looking up about duckweed and ammonia removal, but nothing is mentioned about what duckweed produce after taking in ammonia/ nitrates. Cause I was thinking of keeping a goldfish with duckweed only and maybe an air stone if duckweed can't produce oxygen.

    I do realize duckweed will take up all the oxygen if it's allowed to take over the whole surface. But if a goldfish can keep it in check, can a balance be achieved without a filter?
     
  2. shakaho

    shakaho Well-Known Member

    Joined:
    Sep 8, 2010
    Location:
    Orlando FL
    The goldfish will rapidly turn all of the duckweed into green goldfish poop.
     
    Boundava likes this.
  3. ballroomcoghlan

    ballroomcoghlan Active Member

    Joined:
    May 5, 2011
    Location:
    Charlotte NC
    mostly good thing

    Duckweed, within reason, is a good thing. It can be hard to set the inflow/outflow to be duckweed free, i.e. fouling filters. Koi and goldfish love it! Yet it reproduces very quickly if not completely gone. Mainly it is a healthful food supplement in lieu of larger feedings. I have found that if I can keep it my systems both indoor & outdoor, my fish grow approximately 20% faster. It has also many times completely stopped filtration though.
     
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  4. bluebelly

    bluebelly Ambassador

    Joined:
    Dec 29, 2008
    Location:
    chesterland,ohio,usa
    see ichthius

    Has posted papers on duck weed and their uses.
     
    Crystal River likes this.
  5. shakaho

    shakaho Well-Known Member

    Joined:
    Sep 8, 2010
    Location:
    Orlando FL
    Crystal River and Faebinder like this.
  6. Justintime

    Justintime Active Member

    Joined:
    Sep 25, 2017
    Location:
    New Jersey,USA
    It'll funk up your tank , filter , and smells bad besides it's hard to get rid of completely the little hair like roots stick to everything I tried it for my tank and hated it
     
  7. orangecrush

    orangecrush Well-Known Member

    Joined:
    Jan 14, 2016
    Location:
    Loma Linda, CA 92354
    Plants can never take the place of good Goldfish keeping and husbandry.

    Jim.
     

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