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Thread: Water question

  1. #1
    Member Rank = Nisai Mirza's Avatar
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    Water question

    I have a constant change on my pond (1.500 UK gal ) , could I use the water that coming out of the pond constantly, for the needs of another pond that would be used for koi fry. This second pond is something like a mud pond, it does not have filtration because any form of filtration kills younger ones while they are very small. So I came up with this idea (usin same water twice) to reduce costs .. Is it worth it? is this water that coming out of main pond worth setting up about 50 m of pipe in the ground ( that is the distance between these two ponds) btw i would not use pump for this water ,gravity would do the job ..

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  2. #2
    Don't see a problem with it and its definitely something I'd do and in fact I have done it before with Goldfish fry as I would prefer to use mature water over tap water.

    I assume your gravity will work by topping up the main pond which overflows into the fry pond, is that correct?

    How do you then remove excess water from the fry pond without sucking them up?

  3. #3
    Member Rank = Nisai Mirza's Avatar
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    Quote Originally Posted by RS2OOO View Post
    I assume your gravity will work by topping up the main pond which overflows into the fry pond, is that correct?

    How do you then remove excess water from the fry pond without sucking them up?
    Yes , from the main pond to the fry pond using gravit.
    The fry pond are on the lower terrain.

    Most likely, I would take excess water in the same way as from the first pond, I would make a overflow, but I do not know where to direct that water, because I do not have any drains near this pond, I have not solved this problem Water question



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  4. #4
    Member Rank = Nisai Simon Fish's Avatar
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    Can it not just soak into the ground from the 2nd pond?

    50m is a long pipe run, the bigger the better to avoid issues with it blocking or some way to access for cleaning as needed.

  5. #5
    Member Rank = Nisai Mirza's Avatar
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    It is daily about 220 UK Gal of water,i believe that the land would be flooded quickly ,and I do not know how the neighbor would react Water question

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  6. #6
    Extreme Koi Member Rank = Mature Champion pip895's Avatar
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    A 10% water change on a 1500g pond would be 150g/week so abour 21.5G/day why would you try and change over 100% a week??
    Last edited by pip895; 08-02-2019 at 06:00 PM.
    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)

  7. #7
    Member Rank = Nisai Mirza's Avatar
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    Quote Originally Posted by pip895 View Post
    A 10% water change on a 1500g pond would be 150g/week so abour 21.5G/day why would you try and change over 100% a week??
    I read somewhere that people are changing more than 10% .
    I have a DIY filter, it's not even close to the filtration that most people have here, so I change 10% , i believe it make it easier for the filter .

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  8. #8
    I change nearly 40% a week and donít think thatís excessive.
    0.5 litres per minute going into 13,000 litres.
    I used to run 1 lpm.

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  10. #9
    Extreme Koi Member Rank = Sansai Greg S's Avatar
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    I doubt it will be a problem.

    The only thing to think about is you will be in effect linking the two ponds so anything in your 1500 gallon pond will transfer to the fry pond. Be that bacteria / parasites etc.
    You will need to think about a bypass for when you are treating the 1500 gallon pond.

    In regards to volume to change that is entirely depending on many many things such as stock levels, feeding rates, size of fish, filter types / efficiency, turnover to name a few.

    But....

    I found my old pond worked best when i ran a proper controlled water filter system and it was changing in the order of 20% per day on a 3000 gallon pond. That said it was heavily stocked with some large koi (up to around 80cm).
    My new pond build will hopefully be a much lower volume of water change if i can set it up right and i will not be stocking to anywhere near the same kinds of levels.

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  12. #10
    Extreme Koi Member Rank = Mature Champion pip895's Avatar
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    Bet someone wasn't on a meter! 10% a week is expensive enough for me
    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)

  13. #11
    Member Rank = Nisai Mirza's Avatar
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    Quote Originally Posted by pip895 View Post
    Bet someone wasn't on a meter! 10% a week is expensive enough for me
    I'm not on a meter Water question

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