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Thread: New Pond Build

  1. #1

    New Pond Build

    Hi guys,

    New here and just settled into the new house. Next project is the koi pond. Iv been following it ever since I left home. I have maintained a pond previously at parents home however I have never built one myself.

    So I知 looking at 3.2 x 2 x 1.4. Approx 2000 gallons. ( this is all the area the mrs would let me take!)

    I知 thinking nexus series filter, Bakki shower at the rear and a Aerated bottom drain for gravity fed system.

    I do have a lot of unanswered questions as my first build.

    Which nexus easypod should I go for?

    Do I also need a pump along with the eazypod? If so any recommendations?

    Do I need an air pump? Again if so which recommendations?

    I would like a heater for the winter months so any recommendations?

    What make of UV should I purchase?

    Would you recommend a skimmer?



    Basically To summarise the above, I want to make sure I have all the required equipment as I do not want to deprive the koi and I want to provide the best possible environment for them.

    All assistance would be appreciated!



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  3. #2
    Senior Member Rank = Grand Champion Ajm's Avatar
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    Hi mate welcome. First of all the easy pod I wouldn't bother with unless you stick it on your skimmer line at 2000gal it isn't going to cope you'd be looking at a nexus 220 or 300 look around you might pick one up second hand with a draco drum in which would be the dogs. Pump get a vario flow so you can turn it up or down as needed also save a couple quid on running costs later down the line. As for makes you'll get different answers of every one jeabo airs pumps seem good and I love my tmc uv

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    Johnathan

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  5. #3
    Thanks for that info mate.

    Would your recommend the 220 or 300 for 2000 gal?

    Would I need an air pump if I知 fitting an aerated bottom drain?

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    Senior Member Rank = Grand Champion Ajm's Avatar
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    I'll let some one else answer the 220 300 mate as they will have more experience with them than I do. Personally I would have 2 air pumps one for bio of the nexus to keep the filter media k1 turning over and one for the drain again there will be people who would have one and split the flow there is an unbelievable amount of knowledge on here and every one will do there best to help so just ask away with all your questions mate. Don't do what I did and rush in I hate every thing about my pond haha wish I had asked the questions. Don't know what your funds are like but scraping the nexus idea off and going for a combi drum would be a good idea but talking around 2500 ish. Going down the combi root could save money in the long run if you get the right one. Cover you if you extend the pond of some people have issues with fines when using the nexus and end up buying a drop in drum that fits inside the nexus. The froum is a bit slow this time of the year but you will get the help needed

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    Johnathan

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  9. #5
    Yea I知 in no rush to build Iv only just managed to convince the other half to let me crack on!

    Yea I see the air pump for bio that痴 fine within the filter. I知 looking at an aerated bottom drain so if I go for that I知 guessing I won稚 need an additional pump in the bottom of the pond?

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    Senior Member Rank = Grand Champion Ajm's Avatar
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    You won't need air stones in the bottom of the pond no when you put you bd in you'll hook an airline up to that and run it back to you filter shed or pit. The air line to the little port under the concrete base Spindrifter-drain.jpg

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  13. #7
    Senior Member Rank = Supreme Champion freddyboy's Avatar
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    Quote Originally Posted by ConnorTP View Post
    Thanks for that info mate.

    Would your recommend the 220 or 300 for 2000 gal?

    Would I need an air pump if I知 fitting an aerated bottom drain?
    Hi mate. It's all about funds and what you can afford. I have a 5000 gallon pond. With 43 fish in there. And I have 2 separate lines on my setup. All gravity fed.
    Ist line is bottom drain to drop in draco inside a 320 nexus. To UV ea 55. Returned to pond via a water shoot from my top pond.

    2nd line I have a gravity feed to a ultra sieve 3. Via a tmc 50 watt uv. To mid water returns for circulating the water for bottom drain

    My bottom drain is a spindrifter with air dome. This works in tandem with the mid returns for moving the water for a skimmer
    Which collects a lot of crap. And moving the water around with bottom drain. The air has it's own air pump

    The 320 draco works brilliant on my setup.
    I have 300lts of k1 and helx in the outer chamber for bio. With it's own air pump.

    I intend to add a shower on the upper pond in the future. You can never have to much filteration. Even though my parameters are all spot on.

    If I was to set it all up again. I probably would go for a separate drum. And separate bio tank. Running over a bakki shower.
    Like aj quoted it's all about what you can afford mate.
    Anoxic is a good way to go as well. Manke sanke site is good for learning on all of this.
    Fred

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  15. #8
    Thanks for info guys.

    I知 looking at fibreglass unit from EZ ponds, 2000 gallons. Aerated bottom drain returning to a nexus, through evolution aqua pump and UV, then returning to pond. I also want to add a Bakki shower for extra filtration once I知 setup dependant on funds.

    For 2000 gallons is there any recommendation the 220 or 300?

    What do you guys think to this possible setup?

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  17. #9
    Senior Member Rank = Supreme Champion freddyboy's Avatar
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    Quote Originally Posted by ConnorTP View Post
    Thanks for info guys.

    I知 looking at fibreglass unit from EZ ponds, 2000 gallons. Aerated bottom drain returning to a nexus, through evolution aqua pump and UV, then returning to pond. I also want to add a Bakki shower for extra filtration once I知 setup dependant on funds.

    For 2000 gallons is there any recommendation the 220 or 300?

    What do you guys think to this possible setup?
    A rule of thumb Is to turn your pond over once an hour.
    220 flow rate is i believe 10000lts an hour
    2200 gallons.
    So yes a 220 will do this.
    Maximum pond size 18000lts
    4000 uk gallons.
    Recommended air pump a 75 or above
    Fred

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    Member Rank = Nisai roguejackal's Avatar
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    So I’m looking at 3.2 x 2 x 1.4. Approx 2000 gallons. ( this is all the area the mrs would let me take!)
    If you can go any bigger at all do it, my biggest regret is not going bigger, I would defiantly go deeper if you can as this will give you more gallons / fish

    I’m thinking nexus series filter, Bakki shower at the rear and a Aerated bottom drain for gravity fed system.
    Once your 100% certain of the size and gallons this will give you the answer to the filter to some extent. Cannot comment on Nexus filters as have never owned one but if your thinking having one and a shower then I would say save up for a separate drum so you can you can do your mechanical filtration with the drum and use the Nexus and shower on sperate runs afterwards.

    I do have a lot of unanswered questions as my first build.

    Which nexus easypod should I go for?
    You dont need an Easypod if you are thinking Nexus and Shower, the Easypod is static K1 filter so mainly mechanical filtration and will cut your turn over rate down.

    Do I also need a pump along with the eazypod? If so any recommendations?

    Do I need an air pump? Again if so which recommendations?
    Get a bottom drain with a diaphram for air into the pond

    I would like a heater for the winter months so any recommendations?
    Electric is easiest and cheapest to install but very expencive to run, A lot of people seem to be using air source heat pumps which are meant to be good. Myself I have a gas combi boiler dedicated to the pond.


    What make of UV should I purchase? Amalgam UVs are good I hear but I havent had a UV for over 2 years so can't really comment to much.

    Would you recommend a skimmer?
    100% recommend a skimmer built into the wall ideally with a 4" pipe outlet the same as a bottom drain they could then both go to a drum for mechanical filtration then one could be pumped over a shower and the other outlet into a Nexus filter iby gravity if you choose them with a pump after the nexus pumping clean water back to the pond on underwater returns in the winter and over the side in the summer if you desire.

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  21. #11
    Senior Member Rank = Sansai MARKG71's Avatar
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    Hello, I’ve recently built a 2500 gallon pond and used a Nexus 220. With pumps look at the power usage as many will cost a small fortune to run ! I followed advice on here and bought a Jebao variable speed and it’s been brilliant.
    As for the aerated bottom drain, this is something I wish I had installed, instead I added an air disc next to the bottom drain. I bought a Charles Austin air pump, slightly bigger than the maximum recommenced for the Nexus 220 and split the air line with two valves and it can put ample air through the Nexus but also plenty of air through the air disc.
    I like the EA UV as the connections are are each end so don’t restrict the flow of water at all.
    Good luck and looking forward to more progress updates.
    Mark

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  23. #12
    Senior Member Rank = Grand Champion RS2OOO's Avatar
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    The 300 Nexus is huge, a monster.

    The 220 is still big, but just about fits through a doorway.

    From experience, my 220 was great all year round with 1600 gallons and 8 koi.
    At 2600 gallons with 10 koi it was fine through winter and early spring, but got clogged up daily when the weather warmed up and the water was full of fines. It just couldn't cope with the vast amount of dead algae that the UV was killing.

    I stuck a draco drum in it and water has been crystal clear ever since.

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