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  1. #1
    Extreme Koi Member Rank = Grand Champion Andre Asagi's Avatar
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    Old Style Superfish Cages

    Right. I have mentioned a few times that i made a diy sieve which worked well when i was pump fed but now i'm gravity fed i can't use it as i dunno how to diy a weir.

    Well it occured to me today that i can still use the sieve. I just need to run it through a different pump which i'd put in the pond.

    Now, i find the old style Superfish pump cages really flimsy. They come away from the pump with minimal effort. So a fish could easily knock it off then i worry that a smaller one would be sucked in.

    Does anyone have a practical solution to securing the cage to the pump? I did think "cable ties" but i'd want to be able to remove the cage a bit quicker than cutting cable ties.

    So something i can undo easily/quickly but something a fish couldn't undo by bumping against it.


    Hmmmmm. *Strokes chin*



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  3. #2
    Banned Rank = Mature Champion Trace's Avatar
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    pics of pump cage? ...

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  5. #3
    Extreme Koi Member Rank = Grand Champion Andre Asagi's Avatar
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    Ha ! Went out to take a photo about an hour ago. Just came back in....forgot photo. Gimme a few mins....

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  7. #4
    Extreme Koi Member Rank = Kyusai 1meterchag's Avatar
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    Preparation!!

    A supply of cable ties and a pair of good cutters!!

  8. #5
    Extreme Koi Member Rank = Grand Champion Andre Asagi's Avatar
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    Trace - I went back to take photos but my flash wouldnt work as i had a low battery.

    1meterchag - Trouble with cable ties is it always leaves a sharp bit sticking up and it's a pain when you wanna remove the cage. Don't forget...i am a clutz and rubbish at DIY. My ex reckons it's because i have a mild form of autism. I just think it's because i'm a clumsy oaf.

    Here is my solution:

    I have yet to drill the holes. I don't think i will need more than about 30 holes since the pump thread is only 40mm diameter.

    So 3.142 x 20x20mm = 1256mm

    So a 4mm drill bit would be....

    Oh....thats 300 holes ! That can't be right.

    Trace....help me with the maths please ?

    Anyway the thing i'm going to use is a £1 tupperware container from the Poundshop. I might go to Dunelm and get one that's taller and thinner.
    Attached Images Attached Images

  9. #6
    Banned Rank = Mature Champion Trace's Avatar
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    Before going any further ... how is that threaded adaptor attached to the container?

    If it's just adhesive/sealant that's holding it on it won't last a week ... that container is probably made out of polypropylene (PP or triangle with a 5 in it) no normal sealant/adhessives will bond properly to this ...

    You need a threaded tank connector ...

    Can you show me pics of the pump I may have a better suggestion for pre-filter ...

  10. #7
    Extreme Koi Member Rank = Grand Champion Andre Asagi's Avatar
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    Hiya

    It's threaded onto a male threaded thing inside the lid, so does the same thing as a threaded tank connector.

    I do have many actual threaded tank connectors kicking about so i could swap it for one of those if you think it's critical. But it would mean more of a gap between the pump and the cage if you know what i mean.

    I'll get you some pics now, before it gets dark.

  11. #8
    Extreme Koi Member Rank = Grand Champion Andre Asagi's Avatar
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    As IF i would use polyproplene ! Do you take me for a fool ?


    *whispers to the others* It is polyproplene but don't tell her.

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  13. #9
    Extreme Koi Member Rank = Grand Champion Andre Asagi's Avatar
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    Better pics...

    The white part pokes through the hole with the back of the white part being too big to fit through the hole if that makes sense.
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  14. #10
    Extreme Koi Member Rank = Supreme Champion Andy1671's Avatar
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    Errr Yes, Perfectly clear
    5000 Gallon Fibreglassed Pond With 54" x 27" Infinity Window
    BD300 Drum Filter
    Artesian 0.5hp - Aquadyne 4.4c Beadfilter - PS4 Protein Shower
    Badu Eco Touch - EP20 UV Sterilizer - ASHP - Venturi
    Hi Blo 60 - Medo 45 - Spindrifter Bottom Drain
    Wide Mouthed Skimmer

  15. #11
    Extreme Koi Member Rank = Grand Champion Andre Asagi's Avatar
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    Little tip for any of the viewers at home thinking of trying this out for themselves:

    Don't stand on the hot drill bit in bare feet.

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  17. #13
    Banned Rank = Mature Champion Trace's Avatar
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    No that looks alright then .... I see you used a larger drill bit ......

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  19. #14
    Extreme Koi Member Rank = Grand Champion lee63's Avatar
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    Cant see why that wouldnt work andre might have to put a few more holes in it just to make sure the pump gets enough flow but i think its a very good idea giving you a very quick on off connection of the cage mate


    Sent from my iPhone using Tapatalk
    Its always a work in progress

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  21. #15
    Extreme Koi Member Rank = Grand Champion Andre Asagi's Avatar
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    What was your idea Trace? I've still ended up wlth an annoying amount of holes to de-burr and it's not easy to reach them all.

  22. #16
    Extreme Koi Member Rank = Grand Champion Andre Asagi's Avatar
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    Lee i'm sure i've seen a formula somewhere to get the minimum amount of holes to flow through a given pipe size but i can't find it.

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  24. #17
    Banned Rank = Mature Champion Trace's Avatar
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    Quote Originally Posted by Andre Asagi View Post
    What was your idea Trace? I've still ended up wlth an annoying amount of holes to de-burr and it's not easy to reach them all.
    Was going to suggest one of these:

    1.5" SOLVENT WELD PERFORATED INSERT | eBay

    or one of these:

    2"/1.5" SOLVENT WELD Filter Cage. pond pipe koi | eBay

    ............ just a bit more elegant and don't need to be glued in ......

  25. #18
    Banned Rank = Mature Champion Trace's Avatar
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    Just showed your video to hubby .... he said he would just use a couple of small stainless screws to hold the original cage on ... that's what he does here with any loose plastic guttering etc. ....

    I still like my perforated insert suggestion better ..... you can also get course and fine big foam blocks for these for other purposes ... I use one on my QT tank pump input with just a static K1 and UV after the pump ... to clean you just pull it off and squash it in a bucket of pond water a few times ....

 

 

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