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  1. #41
    Member Rank = Nisai Simon Fish's Avatar
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    Thanks for the link John.
    A good price as well.

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  3. #42
    Extreme Koi Member Rank = Grand Champion lee63's Avatar
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    Andi where is that from lmao?? Must be older than me, never seen a steel nexus ha ha.


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    Its always a work in progress

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  5. #43
    Extreme Koi Member Rank = Grand Champion john1's Avatar
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    Thinking the same Lee,but looks good.
    John

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  7. #44
    Extreme Koi Member Rank = Kyusai TinyTony's Avatar
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    Quote Originally Posted by Simon Fish View Post
    I suppose the bigger the barrel ( circumference)
    Then the easier the connection.
    Let us know how it goes, then I might do it.
    you can get curved connectors

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  9. #45
    Senior Member Rank = Grand Champion andikoi's Avatar
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    Quote Originally Posted by lee63 View Post
    Andi where is that from lmao?? Must be older than me, never seen a steel nexus ha ha.


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    they were sold to dealers to show how nexus worked,they came in three's,one i have should have an answer in it,but i got a 300 easy,was going to use like a pod but never happened,was a good idea at the time lol,they were about £3k for the full set, ouch, think im a hoarder of old filters,ive still got my calictus bead filter up the garden somewhere lol,andi

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  11. #46
    Senior Member Rank = Grand Champion andikoi's Avatar
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    Quote Originally Posted by john1 View Post
    Simon,you can get radial tank connecters for the curve of a tank.
    https://www.ebay.co.uk/itm/110mm-4in...2JsA:rk:1:pf:0
    why is only part of it curved,id be worried the flange piece would snap unless you could soften it up first,andi

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  13. #47
    Extreme Koi Member Rank = Grand Champion john1's Avatar
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    Both parts are curved Andi,at least the ones i used and they fit perfectly to the contour of the barrel.
    John

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  15. #48
    Quote Originally Posted by familyman View Post
    the fines that get through the drum screen, are so fine i cant see them in the pond water, they have no effect on clarity, but over time i do get some very fine dust / mulm, settling out in the clean side of the drum, I just flush it every month or so with a hose, thats not a problem, and its a very small amount, but I wouldn't want the job of cleaning it out of static media periodically, kind of defeats the object of having a drum.

    Clean media works best, couple of problems I found when cleaning out static media, firstly, although it looked quite clean, as soon as i disturbed the media, (in this case jap matting) it was absolutely choked with mulm, and secondly, after rinsing it out with pond water, it lost loads of its bio bugs, and I got traces of ammonia and nitrite for a period, till the bio bugs built up again.

    David
    The fines that passed through the drums will eventually get stuck in the bio-medias if there’s no static media. I don’t think we want the media to work at half-capacity, am I right? There’d be build-up of fines after 1 year, what if they ended up settling in the bio-media, how do you prevent this from happening if not using static filter?


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  17. #49
    no fines don't build up on moving bed bio media, thats one of the advantages with aerating plastic medias, its self cleaning.

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  19. #50
    Extreme Koi Member Rank = Supreme Champion Davej's Avatar
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    Never had a great deal of success in getting reasonable efficiency from a fluid K1 barrel. Best design was one that had a spray bar input with the outlet low down, this performs OK with a flow of 1500 -1800L/hr (200L barrel) but didn't set the world on fire against other design containers and increasing the flow really hit the performance.

    Dave

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