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  1. #41
    Extreme Koi Member Rank = Mature Champion pip895's Avatar
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    Quote Originally Posted by andikoi View Post
    I still think we should be going for 2hr turnovers.this getting your water volume turned over as quick as possible i dont personally think does any good,the bio doesnt get chance to grab anything,25ltr of helix 13 is supposed to be able to cope with 170g of food so in ops case with 75lts per chamber thats 1kg of food which i doubt he will get near to doing,plus his 250lts of k1 and maybe a shower thats a huge bio mass.it is just my opinion though,maybe op needs to see some filters running to get a better idea of what he wants...andi
    I take the manufacturers claims with a pinch of salt, the amount of bio I have should allow me to feed several kg but the reality is I struggle to feed more than 500g. I do take your point about high turnover not being necessary for bio filtration but the mechanical filtration needs a faster throughput.
    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)

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  3. #42
    Senior Member Rank = Jussai Djstiles999's Avatar
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    Many thanks, lots to consider. Going to see how much a bio box would cost from JBR, poss 2 one bigger to give expansion space further down the line. Line the QK drum but both the AEM and Filtreau especially seem well reviewed around the web. The key question on drums seems to be go for one or run 2. Probably needs me to mark out shave layouts to see if 2 is even feasible before I can bottom that out. The water tank conversion is brilliant, amazing how we overlook the obvious good capacity too
    Last edited by Djstiles999; 17-01-2019 at 08:22 AM.

  4. #43
    Senior Member Rank = Grand Champion andikoi's Avatar
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    looking at the photos gary put up i think i saw one of the filtreau drums lol,maybe hes the guy to have a word with,if you were planning 3 nexi,then 2 drums shouldnt be an issue size wise,the nexus needs a 4ft x 5ft area,a drum is about 3ft plus a bio at about same,you could probably get 2 drums side by side,i know i have,although mine are slightly smaller than what your looking at,if you can afford 2 drums i would do it,1 on each bd means no messing with trying to balance flow unlike having 2 bds into 1 drum,andi

  5. #44
    Senior Member Rank = Jussai Djstiles999's Avatar
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    Think I have a cunning plan!

    2 Filtreau 30,000 litre drums, each feeding into a JBR manufactured box hold nearly 1,000 litres of water (and ever increasing amounts of K1) then from one box to a shower the other straight back to the pond. Pulling approx 20-25k litres through each drum. And a steriliser on each before the drum!

    Just need to double check measurements

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  7. #45
    Senior Member Rank = Grand Champion andikoi's Avatar
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    ive just been comparing them and they got me confused,the cheaper filtreau is £975 incl flushing pump and the hf30 is £1300 incl pump and the only difference apart from colour and maybe due to one being welded better is the hf30 is wider by 5cm but the cheaper is longer by 5cm and the hf30 has 2 outlets,whereas cheaper has 1,now whats confusing me is this,is it just the outlet that improves flow,it says it has a highflow panel,but doesnt say what this does in specifics,theyre both 70 micron screens and replacement screens for hf30 are only £10 more than normal one,andi

  8. #46
    Extreme Koi Member Rank = Mature Champion pip895's Avatar
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    Quote Originally Posted by andikoi View Post
    ive just been comparing them and they got me confused,the cheaper filtreau is £975 incl flushing pump and the hf30 is £1300 incl pump and the only difference apart from colour and maybe due to one being welded and the other injection moulded is the hf30 is wider by 5cm but the cheaper is longer by 5cm and the hf30 has 2 outlets,whereas cheaper has 1,now whats confusing me is this,is it just the outlet that improves flow,it says it has a highflow panel,but doesnt say what this does in specifics,theyre both 70 micron screens and replacement screens for hf30 are only £10 more than normal one,andi
    The second outlet will make a big difference - particularly if you are attaching it to a gravity fed bio chamber. What I'm not sure about is if the cheaper unit can be modified to have 2x outlets. If it can then that would be the one to go for. If it isn't possible then the HF30 would probably be worth the extra. I don't see the screens making that big a difference although the high flow screen might increase the interval between wash cycles and save you a bit of water??
    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)

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  10. #47
    Senior Member Rank = Grand Champion andikoi's Avatar
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    ok after looking at manuals for both on filtreau website they do 2 screens,both exactly the same size on both drums,standard and hiflow,so as both same size would this not mean you could buy a standard for £975 put another 4" outlet in £4.04 from here https://www.swelluk.com/yamitsu-tank...0aAtt6EALw_wcB and spend £89 on a hiflow screen and save £231.??? thats the only difference i can find between them both, 1 extra outlet and the screen,even though screens are both same size and both 70 micron or is it same screen but charge £10 extra for different drum lol,so is it a £4.04p outlet that costs you £325 in koi tax pmsl,,,, also if it has 2 inlets and 2 oulets wont the op need 4 bd's to feed them,i thought about adding another outlet to my 2 drums as max flow is 10kph but surely you can only take out as quick as you can put in??? oh im so confused and its not even my pond ffs lol,andi

  11. #48
    Senior Member Rank = Grand Champion andikoi's Avatar
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    Does anyone know what a high flow screen is, i.e difference between normal and highflow cos i dont get it....andi

  12. #49
    Senior Member Rank = Jussai Djstiles999's Avatar
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    About £89 ����

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  14. #50
    Extreme Koi Member Rank = Mature Champion pip895's Avatar
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    Quote Originally Posted by andikoi View Post
    Does anyone know what a high flow screen is, i.e difference between normal and highflow cos i dont get it....andi
    Have you seen Milaz's post in here?
    https://www.koiforum.uk/water-treatm...u-20-hf30.html

    He reckons it makes a difference - I don't really understand why - I can see it might well be worth having, I just cant quite see why it increases the max flow.
    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)

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  16. #51
    Senior Member Rank = Grand Champion andikoi's Avatar
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    i didnt mean cost lol,i meant because (cos) i dont get it haha,andi

  17. #52
    Senior Member Rank = Grand Champion andikoi's Avatar
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    yes pip ive seen milaz thread,i just dont understand how 2 screens both same size and both 70 micron but one lets more flow through,how can it if its a 70 micron mesh,only thing i can think is as you say the extra outlet,but would it cope with just using one inlet,or would you be pulling water out quicker than it can refill,i dont know,i do know that my drum has a bigger brother which is a kc15 but its also the same size but has 2 outlets,and can do 20kph .hmmm have i just answered my own question lol,andi

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  19. #53
    Extreme Koi Member Rank = Mature Champion pip895's Avatar
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    Having too few inlets cirtainly does restrict flow - My pond had only one bottom drain and one skimmer. I had a couple of sieves and beads but couldn't pull enough flow through the system - I blamed the sieves and replaced them with a drum only to find I had the same problem. Changing the beads for bio chambers didn't help much either. Finally I added another 4" connection to the pond and only now can I pull enough through to turn the pond over in an hour. My 4" connections (Drains & skimmers) wont comfortably draw more than 10k each - but they are quite long runs.
    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)

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  21. #54
    Senior Member Rank = Jussai Djstiles999's Avatar
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    I figured that 2 inlets and two outlets gives a fighting chance of overcoming the enemies of movement - friction and gravity!

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  23. #55
    Senior Member Rank = Jussai Djstiles999's Avatar
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    Drums ordered from Kings Lynn Koi, really helpful on the phone and a bit of discount ��

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  25. #56
    Extreme Koi Member Rank = Kyusai Scamp's Avatar
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    Quote Originally Posted by Djstiles999 View Post
    Drums ordered from Kings Lynn Koi, really helpful on the phone and a bit of discount ��
    Excellent!

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  27. #57
    Extreme Koi Member Rank = Mature Champion pip895's Avatar
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    Did you go for the 30 or stick with the 20 and get another 4" added?
    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)

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  29. #58
    Senior Member Rank = Grand Champion andikoi's Avatar
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    well done,did you ask the question to put us all out of our misery,whats the difference between standard and high flow screen,and if someone says its the flow,or 10lph or it costs more im gunna scream lol,andi

  30. #59
    Senior Member Rank = Jussai Djstiles999's Avatar
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    Went for the HF30’s because of the inlet/outlets. One is designed to feed the high pressure cleaning pump but I might run clean water from mains and use it as a proper outlet, haven’t quite decided on that one yet!

    Andi, sorry I didn’t ask, maybe it has fewer bars and more mesh on the circumference?

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  32. #60
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    Quote Originally Posted by andikoi View Post
    well done,did you ask the question to put us all out of our misery,whats the difference between standard and high flow screen,and if someone says its the flow,or 10lph or it costs more im gunna scream lol,andi
    I figure it must be made with finer wire so more 70 micron holes per cm2.. Could make it more fragile though..
    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)

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