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  1. #1
    Senior Member Rank = Supreme Champion Ajm's Avatar
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    Kk12000 convert mb and gravity fed?

    One job for this year is to install bd. Pump fed currently dose any one know how to sort return out on a multibay. And how have people converted to moving bed k1?

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    Freddyboy the legend

    "we are water keepers first"

    Johnathan

  2. #2
    Senior Member Rank = Jussai Djstiles999's Avatar
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    I used to run hydra units and essentially had 4” pipe in/out and created a cage with sheet mesh I bought from B&Q, drain outlets had a plastic slotted cylindrical cage which I bought off eBay, think they were originally to go inside foam blocks on pumps. Guess you could use epoxy to put a mesh strip across?

  3. #3
    Senior Member Rank = Supreme Champion Ajm's Avatar
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    What size holes in mesh do I need to use to cover filter grate to keep k1 from flushing to waste?

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    Freddyboy the legend

    "we are water keepers first"

    Johnathan

  4. #4
    Senior Member Rank = Jussai Djstiles999's Avatar
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    I’m afraid I can’t remember, if you have some K1 you could measure it?

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  6. #5
    Senior Member Rank = Jussai Djstiles999's Avatar
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    https://www.ebay.co.uk/itm/153822206977

    this might help though?

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  8. #6
    Senior Member Rank = Supreme Champion Ajm's Avatar
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    Cheers matey. Read some different sizes all over but one seems to be 10x7mm. I've just been on their website looking for some mesh screens. Thicking of doing the first 2 bays in 2 different grades of seive mesh maybe like a 120 then drop to a 60 ish to replace brushes then 1 Bay of matting 1 Bay static k1 last bay moving k1

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    Freddyboy the legend

    "we are water keepers first"

    Johnathan

  9. #7
    Senior Member Rank = Jussai Djstiles999's Avatar
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    I bought from them in the past to make a mesh screw to stop the small fish on the grow on swimming into the nexus! Used a dremmel to cut it which made life a bit easier

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  11. #8
    Senior Member Rank = Supreme Champion Ajm's Avatar
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    Think a sheet of hdpe maybe 3mm thick would work if I toke the grinder to it and cut slots in it

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    Freddyboy the legend

    "we are water keepers first"

    Johnathan

  12. #9
    Senior Member Rank = Jussai Djstiles999's Avatar
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    Sounds like a decent plan, add more if needed for flow rate then

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  14. #10
    Senior Member Rank = Supreme Champion Ajm's Avatar
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    Cheap as well nice 8x4 ft sheet works out about 20quid.. more than enough to do 2 bases for static and moving bays and a top to help compress the static. Hmmm liking this plan

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    Freddyboy the legend

    "we are water keepers first"

    Johnathan

  15. #11
    Senior Member Rank = Jussai Djstiles999's Avatar
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    Won’t crack when you are putting the slots in?

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  17. #12
    Senior Member Rank = Supreme Champion Ajm's Avatar
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    Hoping not but could go to 5mm thick

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    Freddyboy the legend

    "we are water keepers first"

    Johnathan

  18. #13
    Senior Member Rank = Supreme Champion Ajm's Avatar
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    Thinking some thing like this so still has good strength around edges and sides

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    Freddyboy the legend

    "we are water keepers first"

    Johnathan

  19. #14
    Senior Member Rank = Jussai Djstiles999's Avatar
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    Think the challenge will be getting enough water flow, how much do you need to move per hour?

  20. #15
    Senior Member Rank = Supreme Champion Ajm's Avatar
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    Pond is 2000gal so not massive amounts but enough like. Would think the makers of the filter grids would make a smaller one for k1 like

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    Freddyboy the legend

    "we are water keepers first"

    Johnathan

  21. #16
    Senior Member Rank = Jussai Djstiles999's Avatar
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    Well at least it gives you something to do this weekend

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  23. #17
    Senior Member Rank = Supreme Champion Ajm's Avatar
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    Quote Originally Posted by Djstiles999 View Post
    Well at least it gives you something to do this weekend
    This lockdown ya mean lol. Cheers for ya help buddy much appreciated

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    Freddyboy the legend

    "we are water keepers first"

    Johnathan

  24. #18
    Senior Member Rank = Jussai Djstiles999's Avatar
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    I’m interested to see how it turns out, might come in handy in the future

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  26. #19
    Senior Member Rank = Supreme Champion Ajm's Avatar
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    Best get some orderd then e lol. Gotta try things a quess.

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    Freddyboy the legend

    "we are water keepers first"

    Johnathan

  27. #20
    Senior Member Rank = Supreme Champion Ajm's Avatar
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    Need to change tank connector on the multibay from 1.5 to 4 inch question is would a flange connector like you would use on a liner work on the bay with a bit sealant? 15 for a screw connector or 6 for a flange connector. Am just being tight I know but better then half price?

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    Last edited by Ajm; 03-02-2021 at 07:39 PM.
    Freddyboy the legend

    "we are water keepers first"

    Johnathan

 

 

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