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  1. #1
    Senior Member Rank = Grand Champion andikoi's Avatar
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    more circulation

    as my ponds so long and due to my incompetance of putting all returns at one end im wanting some more flow from bottom end back to top,has anyone ever used one of these wavemaker things to aid circulation,ive found one that has 2 impellars and says does 12000lph and its only £29 and just sticks on side of pond,meant for fish tanks but cant see why cant be put in pond,i could stick it to my large window inside,just wondering,....andi https://www.allpondsolutions.co.uk/w...culation-pump/



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  3. #2
    What size are your returns? My nephews pond I've just built is 15 ft * 10ft * 5 ft deep with 2 40 mm bulkhead returns at one end, I used 2 , 33 degree 40 mm elbows that push into the bulkheads and can be rotated to adjust flow where ever desired,

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  5. #3
    Senior Member Rank = Grand Champion andikoi's Avatar
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    new ponds 6m x 3m lol,or 20 x 10,and 4ft deep,has 2 aerated bottom drains,ive got 2 x 2" underwater returns and a 1m wide bakki shower,1 drum returns over shower and the other drum goes underwater on far side of pond,but my filtration and returns are all at top end so the bottom end hasnt got anything to send flow back up,which is where my skimmer is lol,the aerated drains do send some flow back that way but im wanting a more direct underwater flow,if ya get my meaning haha,andi

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  7. #4
    Senior Member Rank = Grand Champion andikoi's Avatar
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    this is view from bottom end of pond looking to shower,2 returns and skimmer lol,andi
    Attached Images Attached Images

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  9. #5
    How about building a air lift near your returns to circulate the water, would be powerd off your existing air supply and flow adjustable to what ever you need just add more air

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  11. #6
    Nice pond by the way more circulation

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  13. #7
    Senior Member Rank = Grand Champion andikoi's Avatar
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    Cheers.the issue ive got is i cant get to bottom end of pond as fully enclosed.so just thought i could drop one of these in to send water back up.this where im thinking of sticking it.andi
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  15. #8
    Or put the air lift in any where I just don't think a wave machine would push much volume against all that water mass, but I could be totally wrong , or how about running something like a gutter system along the edge of the pond to take water from the bakki shower and distribute along the pond?

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  17. #9
    Extreme Koi Member Rank = Hassai Scamp's Avatar
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    Quote Originally Posted by andikoi View Post
    as my ponds so long and due to my incompetance of putting all returns at one end im wanting some more flow from bottom end back to top,has anyone ever used one of these wavemaker things to aid circulation,ive found one that has 2 impellars and says does 12000lph and its only £29 and just sticks on side of pond,meant for fish tanks but cant see why cant be put in pond,i could stick it to my large window inside,just wondering,....andi https://www.allpondsolutions.co.uk/w...culation-pump/
    Hi Andi - for £29 its worth a punt I reckon?! Its got no sharp edges so Koi should be fine...

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  19. #10
    Senior Member Rank = Yonsai Simon Fish's Avatar
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    If it does what you want for that price it's a useful bit of kit. 12000lt for 22watts is more cost effective than any pump.
    A pump could be an option, just dropped in but without any hose and the end pointing wherever you wanted.

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  21. #11
    Extreme Koi Member Rank = Grand Champion john1's Avatar
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    Like your pond Andi.
    You can't loose for that price mate and only 22 watts,its got to give you the flow you want but can't see how it fastens on,is it on rubber suckers?
    John

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  23. #12
    Extreme Koi Member Rank = Mature Champion pip895's Avatar
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    Agree with above - give it a go - report back on how it works out
    6000g in ground koi pond
    +3000g lily/Anoxic pond attached
    29 koi (40 to 65cm)
    Bottom drain, Mid water & Skimmer to Drum
    JBR boichamber->Blue eco 500 pump ->below surface return.
    Blue Eco 240 -> Large MB -> Waterfall -> Planted Anoxic pond (25 baskets)

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  25. #13
    in other words andi. i think the lads are trying to say your the guinea pig trialist hahaha

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  27. #14
    Senior Member Rank = Grand Champion andikoi's Avatar
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    i gathered freddy lol,and yes john just suckers or there is a magnet attachment for extra,like a cleaning magnet type thing,one on each side of glass,simon i did think of just dropping a pump in but means i would have to buy one as no spares lol,and £30 on this is cheaper than the £130 i'd pay for a variable to drop in haha,ordering one in next couple of weeks and will report back,unless someone else buys one first to test and they turn out rubbish roflmao,,,andi

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  29. #15
    Senior Member Rank = Grand Champion andikoi's Avatar
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    stuffy ive never been good with airlifts,they never worked as i wanted and the flow was always a let down,and the only guttering is on the outside of pond house as knowing me it would come undone and i'd empty pond lol,andi

  30. #16
    Senior Member Rank = Gosai Scorchio's Avatar
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    Andi,

    I think your koi will knock it off.
    The sucker type might hold to the glass but the motor and fan housing will detach from the sucker.
    The magnet type will not hold on your glass it will be too thick.

    I have a large marine tank and have tried these before.
    In my marine tank I now use these
    https://ecotechmarine.com/products/vortech which have a large magnet and motor on the outside but even these would get moved by koi.

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  32. #17
    Senior Member Rank = Grand Champion andikoi's Avatar
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    i may have to bodge,i mean manufacture properly something to hold it in place,as the heads are moveable i could make something that just hangs over edge,did think after looking at fastening them to a piece of pipe and putting pipe clips to hold the pipe in place in pond so i can raise it up or lower,depending on where flow needs to be,,,,andi

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  34. #18
    Extreme Koi Member Rank = Grand Champion john1's Avatar
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    Sounds like a mission Andi
    John

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  36. #19
    Senior Member Rank = Grand Champion andikoi's Avatar
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    Quote Originally Posted by john1 View Post
    Sounds like a mission Andi
    isnt everything koi a mission lol,....andi

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  38. #20
    I bought one. Done a quick test this weekend and the flow seems to push debris out over 1m. Certainly more testing needed once i've figured how i'm going to mount in the pond. One major problem is the power lead is designed for an aquarium so is not close to being long enough. Looks likes some IP68 splices heatshrink and sealant will be required as the splice will definitely have to be under the water level.

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