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  1. #21
    Quote Originally Posted by Jgw911 View Post
    Was talking to Mike at Queni Koi today and he pointed me to the overflow and top up boxes at:
    Pond Construction Equipment

    Havent seen anything like these elsewhere so I'm going to seriously consider one of these.

    Andre - your cleaning routine does sound pretty painful! I do hope that the advantages of gravity fed will be worth it in end!
    Not cheap those... for what is essentially a box with a torbeck

  2. #22
    I use a hose into upper pond 4000gal pond. Draco drum in nexus 320. Neat tap water at a rate of 0.7 in summer and 0.5 lts in winter a minute. Put ST in pond every 3 days. 1/2 teaspoonful. Same as a couple have said. Basicly over fill and trickles out.
    Heres a cople of photos. Valve on nexus is from my drum waste tray. To drain pipe to sewer drain




    Sent from my SM-G925F using Tapatalk

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  4. #23
    Member Rank = Tosai Jgw911's Avatar
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    Thanks Fred - really useful to see those pictures.

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  6. #24
    Quote Originally Posted by Jgw911 View Post
    Thanks Fred - really useful to see those pictures.
    anytime mate. i used to trickle the upper pond feed at the outlet of my nexus. changed to upper pond about 8 months ago when i started using ST.
    i also used to run this through a 3 stage dechorinator. once i started to use ST i thought what is the point. plus by not adding at the exit return of the nexus i
    am making sure no chlorine is getting into my bio nexus outer chamber. if i forget to ST.

  7. #25
    Hi guys,

    without stealing the thread and please pardon my ignorance but would someone explain to me why the water level would drop so consistently you need a trickle feed in at that rate of water?

    I am currently starting my first pond build and I'm here to try and understand the science behind the right setup. I'm going down the route of a gravity fed system and pumping filtered water etc.

    Cheers

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  9. #26
    Well, it's the koi, innit it? Have you seen them? They drink like fish!

    Evapouration, but most of it is lost through cleaning of the filters - for example drums or nexus filters

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  11. #27
    Quote Originally Posted by Toffee View Post
    Well, it's the koi, innit it? Have you seen them? They drink like fish!

    Evapouration, but most of it is lost through cleaning of the filters - for example drums or nexus filters
    Riiiight...Thanks Toffee, i wasn't being as stupid as a thought! bigger the pond the bigger the issue, still quite surprised at the rate people fill though. something else i need to factor in to this build

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  13. #28
    Quote Originally Posted by Jamiebiz89 View Post
    Riiiight...Thanks Toffee, i wasn't being as stupid as a thought! bigger the pond the bigger the issue, still quite surprised at the rate people fill though. something else i need to factor in to this build
    Also as well as a filter clean. With drums you do not have to clean filters as often. So also slow water changing. Instead of large water change. So as not to shock or stress the fish. I change about 30% a week. On slow trickle.

    Sent from my SM-G925F using Tapatalk

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  15. #29
    Quote Originally Posted by Jamiebiz89 View Post
    Hi guys,

    without stealing the thread and please pardon my ignorance but would someone explain to me why the water level would drop so consistently you need a trickle feed in at that rate of water?

    I am currently starting my first pond build and I'm here to try and understand the science behind the right setup. I'm going down the route of a gravity fed system and pumping filtered water etc.

    Cheers
    Some people (including me) think that without running a trickle feed running to an overflow you get a build up of chemicals your filter can't remove.


    In theory, theory and practice are the same.
    In practice, they aren't.

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  17. #30
    Extreme Koi Member Rank = Mature Champion Andre Asagi's Avatar
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    A trickle feed in my opinion is just a slow, gradual, easy, stressless water change. Basically it helps keep the water fresh. Your question missed the second part out and a lot of us forget to add the second part when we discuss it. The actual practice is known as:

    Trickle in - Overflow out

    So as you trickle in your nice fresh water full of minerals and goodness, the old used/spent/DOC loaded water overflows out of the system. It's easy to set up and top breeders reccommend it.

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