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  1. #1
    Extreme Koi Member Rank = Gosai Andymadd's Avatar
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    Flexible pipe for pond returns

    Hi

    I am about to sort out the filter bay now the pond finally got done. To return water to the pond I have some long runs and curves to negotiate. So to avoid lots of elbows I am thinking a continuous run of flexible. So what is available I think the black ribbed stuff only goes up to 1.5" I was thinking more like 2" would be better.

    Andy



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  3. #2
    Extreme Koi Member Rank = Sansai maplekoi's Avatar
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    You can get 2" but its not that flexible i would do it in solvent weld waste pipe the flexi in extreme weather conditions does go brittle

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  5. #3
    I've got approx. 9000L /hr running through 1.5 inch thick rubber pipes with no problems. They are so much easier to work with than laying solid plastic pipes.

    John

    Sent from my SM-G950F using Tapatalk

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  7. #4
    Extreme Koi Member Rank = Gosai Andymadd's Avatar
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    I thought this may happen, two posts and two opinions......I think it's easier to dig in the flexibility stuff, for years I was hard pipe only but is it really necessary with modern flexible stuff that's out there.

    Andy

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  9. #5
    Extreme Koi Member Rank = Mature Champion pip895's Avatar
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    You can get different quality flexible pipe - the easily available and most flexible type (generally black) is available as 2" but does go brittle and split after a few years but having it buried preserves it for quite a long time. I would go for the better quality stuf myself though in your application. What I have done is put in 4" conduit (black ribbed stuff used for electrics ext.) and then run flexible through that.
    Last edited by pip895; 08-11-2018 at 03:48 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)

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  11. #6
    Extreme Koi Member Rank = Gosai Andymadd's Avatar
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    Good idea I like the conduit.

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  13. #7
    Extreme Koi Member Rank = Mature Champion pip895's Avatar
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    By the way the better quality stuff is generally sold as suction hose and is available via eBay. I did look at using 3" flexible which is available via specialists but I couldn't find any suitable fittings for it so decided to add a second 2" instead.
    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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  15. #8
    Extreme Koi Member Rank = Supreme Champion john1's Avatar
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    https://www.ebay.co.uk/itm/Black-Cor...r=423214046319

    Here is a link for different hoses,though as said above not the best,i use the thicker walled one but cant find a link for it,this one is fine and as you said a lot easier to lay and if kept out of the sun will last a long time.
    John

  16. #9
    Senior Member Rank = Grand Champion andikoi's Avatar
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  17. #10
    I get all mine from South Yorkshire Aquatics if you live anywhere near Doncaster- Bawtry area.
    Nice thick rubber pipes not the weak corrugated stuff

    John

    Sent from my SM-G950F using Tapatalk

  18. #11
    Extreme Koi Member Rank = Gosai Andymadd's Avatar
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    Looks like I had better get shopping.

    Thanks all

 

 

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