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  1. #1
    Extreme Koi Member Rank = Fry jagg's Avatar
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    Blocked bottom drain (pipe?)

    Have a blocked bottom drain (not fully blocked) i have purge valve in the filter hole low down and this is not clearing it.
    Pipe run from filter has 3 90 degree bends so best access i think will be from actual bottom drain in pond.
    Probably need diver.
    Any suggestions or contacts please forward.
    Regards
    jagg



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  3. #2
    Junior Member Rank = Fry pug's Avatar
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    Don't call me Jagg its a little cold this time of year
    https://www.youtube.com/watch?v=OpphU5OUlu8&t=9s

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  5. #3
    Extreme Koi Member Rank = Supreme Champion john1's Avatar
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    Would think it needs rodding from which end I dont know.

    Maybe start from the filter end gently and see what happens.
    John

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  7. #4
    Extreme Koi Member Rank = Fry jagg's Avatar
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    due to the 90 degree bends at the filter end drain rods would not be possible

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  9. #5
    Extreme Koi Member Rank = Supreme Champion john1's Avatar
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    Sorry Jagg didn't read your first post correctly.
    Do you have blanket weed?
    Had thought of a stiff wire with a hook on the end down the filter end to try and hook it out, you say you have tried to purge it,,normally that would be enough.
    John

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  13. #7
    Extreme Koi Member Rank = Fry jagg's Avatar
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    Quote Originally Posted by john1 View Post
    Sorry Jagg didn't read your first post correctly.
    Do you have blanket weed?
    Had thought of a stiff wire with a hook on the end down the filter end to try and hook it out, you say you have tried to purge it,,normally that would be enough.
    The pond is 6' deep &14' round the problem is reaching the bottom drain.
    regards
    jagg

  14. #8
    Have you tried back flushing it, (not ideal as it will blow rubbish back into pond)
    Take a powerful pump & feed its outlet into your incoming filter inlet, make sure it's a good connection, the pressure should push back into pond?
    Good luck, that's too cold to swim in!


    Sent from my iPad using Tapatalk

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  16. #9
    Senior Member Rank = Rokusai Handy Kenny's Avatar
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    Quote Originally Posted by jagg View Post
    Have a blocked bottom drain (not fully blocked) i have purge valve in the filter hole low down and this is not clearing it.
    Pipe run from filter has 3 90 degree bends so best access i think will be from actual bottom drain in pond.
    Probably need diver.
    Any suggestions or contacts please forward.
    Regards
    jagg
    I have a big problem in my pond with leaves and twigs blocking the 4" bottom drain. Eventual resolution was to buy a Karcher drain cleaner extension like this - click here and fed it back down from the filter end. With a powerful enough pressure washer the end pulls itself along the pipe (and mine is 10 metres+). To get round bends simply twist the hose around and the twist will find its way to the end of the pipe and help it around the corners. I also clean out the drain for my RDF which is 2" pipe with a 90 degree bend and it goes around that. The whole process takes around half an hour which is a lot less time than I spent trying to purge the bottom drain.

    Kenny

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  18. #10
    Extreme Koi Member Rank = Fry jagg's Avatar
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    Thank you will look into this as this looks like the best option short of employing a diver

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