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  1. #1
    Senior Member Rank = Nanasai smartin's Avatar
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    pictures plus some advice needed on perging your pumps

    Hi all,

    some pics of the skimmer box cover and insualtion that i have added to the filter housing, temperature outside right now is 8.1 degrees pond temperature is currently 10.4 degrees.

    Perging your pumps, could someone please explain how you do this, if you look at the last few photo's you will see i have the plunger style pipe blocks, i am usnure if i fully closed these two plungers what to do with the two pumps? run slow / flat out or turn off? how long do you keep the plungers down for ? would appreciate your help please on this matter, many thanks Steve.


    Attached Images Attached Images
    Last edited by smartin; 14-12-2019 at 11:41 AM.

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  3. #2
    Senior Member Rank = Grand Champion Ajm's Avatar
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    Brilliant job that there no cold getting past all that lot

    Sent from my F5121 using Tapatalk
    Johnathan

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  5. #3
    Senior Member Rank = Grand Champion RS2OOO's Avatar
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    Thanks for the pics Steve, love your build, pure quality and a nice clean finish to everything.

    Not sure about purging pumps?
    Do you mean purging bottom drain and pipework?

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  7. #4
    I do what i call mini purges, i keep everything running as is, turn the drum off close the skimmer and bottom drain valve, soon as i hear the pumps start to gurgle open the drain valve. i do this 3 or 4 times every cpl weeks. its how i do the indoor vat too that has a clear drain cover and it takes 2-3 purges to clean the drain

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  9. #5
    Senior Member Rank = Nanasai smartin's Avatar
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    Quote Originally Posted by RS2OOO View Post
    Thanks for the pics Steve, love your build, pure quality and a nice clean finish to everything.

    Not sure about purging pumps?
    Do you mean purging bottom drain and pipework?
    Hi RS - yes that's it mate the bottom drain and pipework (my bad explanation) - any ideas ?? thanks Steve.

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  11. #6
    Senior Member Rank = Nanasai smartin's Avatar
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    Quote Originally Posted by sephuk View Post
    I do what i call mini purges, i keep everything running as is, turn the drum off close the skimmer and bottom drain valve, soon as i hear the pumps start to gurgle open the drain valve. i do this 3 or 4 times every cpl weeks. its how i do the indoor vat too that has a clear drain cover and it takes 2-3 purges to clean the drain
    Thanks Sephuk,
    I can see a plunger style drain valve on my skimmer pipework and on the bottom drain (both as shown in the photo) and there is another smaller one which is on the pipework which returns water back to the pond on the other side of my filter box so do I close all three or just the skimmer and BD valves, what about the drum filter itself do I leave this turned on as usual and do you alter the pump settings?? cheers Steve
    Last edited by smartin; 14-12-2019 at 10:01 PM.

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  13. #7
    Nope keep return lines open, it's just the line from the pond to the filter you are cleaning

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  15. #8
    I run a clean cycle on the drum 1st then turn the drum off so when I've purged a few times I can tell if I've caught much if the water level is low once the valves are all re open. I don't change any pump settings, the sudden rush of water is more than enough to get any settled bits in you drain and pies moving

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  17. #9
    Senior Member Rank = Nanasai smartin's Avatar
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    Quote Originally Posted by sephuk View Post
    Nope keep return lines open, it's just the line from the pond to the filter you are cleaning
    ok thank you so I do the following


    • plunge both valves downwards to stop the water flow into the filter box from the skimmer and the BD
    • Keep the drum filter turned on as usual
    • Keep both pumps running for the BD and the skimmer pipework
    • Assume this will lower the water level in the filter box to a point where the pumps cannot pull anymore water through the pipework, then once you release the valves the water pressure in the pipework will free up any debris that my of built up in the pipework ??

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  19. #10
    Almost!

    Run a clean

    Switch off drum

    Push the skimmer and drain valves to close

    Your pump/pumps with start emptying the drum so as soon as you hear a sucking sound or anything different pull the drain valve up and let the drum fill again. Once full close the valve again and repeat a few more times

    Open skimmer and drain valves and Have a look at the clean side of the drum, if the water is lower than the dirty side you caught some stuff pictures plus some advice needed on perging your pumps

    Turn drum on again and run a clean, then carry on with your day pictures plus some advice needed on perging your pumps







    Sent from my Pixel 3 using Tapatalk

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  21. #11
    Senior Member Rank = Nanasai smartin's Avatar
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    Thanks Sephuk, - understood many thanks Steve.

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  23. #12
    Quote Originally Posted by smartin View Post
    Thanks Sephuk, - understood many thanks Steve.
    If you have a UV running best turn that off too

    Sent from my Pixel 3 using Tapatalk

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  25. #13
    Senior Member Rank = Supreme Champion freddyboy's Avatar
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    How I purge my bottom drain from nexus
    Draco drum
    I have a 4 inch ball valve on bd line before
    The nexus.

    I shut that. So now no water going into nexus. And turn drum off.

    I leave ball valve open to pond so pump is still running. Which is on my return line to pond

    I then pump half my nexus 320 filter into my pond.

    When the nexus is half empty I then turn my draco drum back on.
    And open the 4 inch bottom drain 4 inch valve.

    And the water rushes into the drum nexus
    Getting cleaned at the same time.
    Job done.

    It's the space in the nexus I need that I have pumped out.
    For the gravity fed water to fill back up that
    Causes the rush of water to purge and clean the pipe.

    And by pumping the water into the pond no need for topping back up.
    Fred



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  27. #14
    Senior Member Rank = Nanasai smartin's Avatar
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    Quote Originally Posted by freddyboy View Post
    How I purge my bottom drain from nexus
    Draco drum
    I have a 4 inch ball valve on bd line before
    The nexus.

    I shut that. So now no water going into nexus. And turn drum off.

    I leave ball valve open to pond so pump is still running. Which is on my return line to pond

    I then pump half my nexus 320 filter into my pond.

    When the nexus is half empty I then turn my draco drum back on.
    And open the 4 inch bottom drain 4 inch valve.

    And the water rushes into the drum nexus
    Getting cleaned at the same time.
    Job done.

    It's the space in the nexus I need that I have pumped out.
    For the gravity fed water to fill back up that
    Causes the rush of water to purge and clean the pipe.

    And by pumping the water into the pond no need for topping back up.
    Fred



    Sent from my SM-G960F using Tapatalk
    thanks Fred, when it finally stops raining here I will go and have a good nose around and see how I get on, cheers Steve.

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  29. #15
    Senior Member Rank = Supreme Champion freddyboy's Avatar
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    Quote Originally Posted by smartin View Post
    thanks Fred, when it finally stops raining here I will go and have a good nose around and see how I get on, cheers Steve.
    Your set up Steve is drum then bio tank following after the drum. Am I right.
    I can't remember

    Sent from my SM-G960F using Tapatalk

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  31. #16
    Extreme Koi Member Rank = Nanasai davec's Avatar
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    pictures plus some advice needed on perging your pumps

    Iím going to. attempt to put a t in my bottom drain line I ave 2 valves in place that will go either side of t and I will put t in and Iím going to put a 4 to 2 inch reducer on purge to waist side and a 2 inch ball valve then I can purge drain directly to waste Iím going to use 2 inch has Iíve all fittings to do that without buying new does anyone know if I can replace a rubber 4 inch 90 bend with a 4 inch t without having to alter pipework


    Sent from my iPhone using TapatalkIMG_0471.jpg

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  33. #17
    According to Darren at absolute you need 12000l/hr to keep a bottom drain pipe clean .I have always turned the 20000 vario pump up to max for 5 mins every day

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  35. #18
    Senior Member Rank = Nanasai smartin's Avatar
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    Quote Originally Posted by freddyboy View Post
    Your set up Steve is drum then bio tank following after the drum. Am I right.
    I can't remember

    Sent from my SM-G960F using Tapatalk
    hi Fred,
    yes 4" pipe from BD and skimmer to filter box and into drum, water then flows to bio tank with Jap matting then out to return to the pond, cheers Steve

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  37. #19
    Senior Member Rank = Nanasai smartin's Avatar
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    Quote Originally Posted by big h View Post
    According to Darren at absolute you need 12000l/hr to keep a bottom drain pipe clean .I have always turned the 20000 vario pump up to max for 5 mins every day
    that's good info to know, thanks, Steve

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  39. #20
    Senior Member Rank = Yonsai davethefish1's Avatar
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    nice job on the insulation.
    looks like your all set for winter !

    here's to hoping we have a mild one...
    You don't have to be a pipefitter to keep koi...
    but it helps...

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