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  1. #1

    New raised pond construction

    Hi all. Im in the process of drawing some plans out for my new pond. Its gonna b made out of wood 4.5feet deep by 10'x5'. I want to put in a bottom drain with a oxygenated built in. And i like the idea of using a bog filter sat on the top of the pond the length of the back wall of the pond, and i wanna put in a couple of jets to move water around the pond towards a skimmer which i wanna install.
    Im a joiner by trade but have no idea what about plumbing so aint got a clue what pump would best nor if the bog filter would be any good or should i splash out for a filter system. Any advice much appreciated



  2. #2
    Senior Member Rank = Yonsai smartin's Avatar
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    Hi Joe,

    welcome, I am going through a build at the moment and did as much research with the help of the ladies and gents on here, a drum filter certainly is a very favoured option right now due to the low maintenance aspect and the clarity of water this filter type offers, there not cheap, you can pick up second hand, there are other options of course but seeing people move away from multi chamber filtration to the drum and the results seen it seems a good move, also space saving and removes the need to do a dirty old clean out each week as the drum self cleans pretty much...… cheers Steve.

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  4. #3
    Filtration is a dilemma thatís for certain but start with working out how youíre going to get the poo out of the system as fast as possible first be it with a sieve/drum etc, your budget may be the deciding factor here. Sieves are reasonable secondhand, a new budget drum around £1k.
    Before you commit to a bog filter for your biological stuff, have a read up on anoxic filtration. You can put plants in so could have a similar visual effect.
    Thereís a fair few members on here using this system very effectively.
    Do loads of research. The plumbing is easy, even I can do it so it must be


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  6. #4
    Hi i have a top pond. Running into lower pond. And have plants in the top pond in baskets.
    I was going to go the way of bog filter.
    And loads advised me against it.
    Ticking time bomb for nasties.
    So i went the basket way where you can see everything.
    Also the mistake i made . I should have had a drainage system installed in the top pond. Now i have to clean it out twice a year.
    Agree with BCC. Annoxic isvthe way to go.


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  7. #5
    Freddie, would you just have put a 4" bottom drain in your top pond?
    I think I will be having a top pond. I really love my pond plants but don't want a herrin step in the fish pond, also want a stream for a bridge!
    How many litres in your top pond?

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  9. #6
    Quote Originally Posted by CobraKoi View Post
    Freddie, would you just have put a 4" bottom drain in your top pond?
    I think I will be having a top pond. I really love my pond plants but don't want a herrin step in the fish pond, also want a stream for a bridge!
    How many litres in your top pond?
    Yes mate. Maybe i should have.
    But would the flow have been right for my shute to feed the bottom pond. As it would be getting sucked out. Be for filling up to flow into lower pond.
    I hoover it out now as well.
    Top pond holds roughly 700 gallons.
    I had a manifold put in the bottom as a return.
    Tried that. Did nt work.
    So went back to my normal return.
    I am the same love the plants.
    I have iris in there. Lilly's. Dutch bull rushes. And a plant i could nt even try to pronounce.
    Postive is
    Looks after nitrates and phosphates
    So it is doing a good job
    Heres a photo
    Fred

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  10. #7
    Quote Originally Posted by CobraKoi View Post
    Freddie, would you just have put a 4" bottom drain in your top pond?
    I think I will be having a top pond. I really love my pond plants but don't want a herrin step in the fish pond, also want a stream for a bridge!
    How many litres in your top pond?
    A brigle will look good. I love to see bridges on ponds

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