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  1. #1
    Senior Member Rank = Yonsai RipleyRich's Avatar
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    Moving Bed Chamber

    So decided to build a moving bed chamber to add extra bio after my combi drum.

    105 litre water tank


    Attached Images Attached Images

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  3. #2
    Senior Member Rank = Yonsai RipleyRich's Avatar
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    So basically:

    - Cut hole in top for access
    - Fixed small plastic brackets in corner of the access hole to support the lid
    - Fixed tank connectors for inlet at top, outlet at bottom and flush valve (as drain is too high in filter shed, fluch valve is via a "dip tube". There is a separate drain built into the tank with a 3/4" drain cock fitted.
    - Made outlet tube from perforated Polypropylene sheet (ebay 5) (also available from RS Components)
    - 2 x 300mm x 50mm air stones run from EA 95 pump which I already had

    So far I have 15 litre HEL-X in there as thats all I had left, but I have 25 litres on order and I think it will easily run that as well (so 40 total)

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  5. #3
    Looks a tidy job

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  7. #4
    Senior Member Rank = Mature Champion Ajm's Avatar
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    Like that mate love diy looks smart and cheap good job

    Sent from my SM-N950F using Tapatalk
    Johnathan

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  9. #5
    Agree looks good

    Sent from my SM-G960F using Tapatalk

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  11. #6
    Extreme Koi Member Rank = Grand Champion john1's Avatar
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    Good job well done Rich,I love a good bit of DIY to save a few Bob.
    John

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  13. #7
    Extreme Koi Member Rank = Nanasai richsugden's Avatar
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    Looks good Where did you get the water tank and how much was it


    Sent from my iPhone using Tapatalk

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  15. #8
    Senior Member Rank = Yonsai RipleyRich's Avatar
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    ebay.

    Theres loads of options and sizes. It was just a case of finding one that fit comfortably into the space I had.

    105 litres. 500 x 300 x 700 high. Was about 110.

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  17. #9
    Extreme Koi Member Rank = Jussai bowsaw's Avatar
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    how's it holding up with water mass in there?

    the cut out would be a bit stronger if the corners were rounded, helps distribute the stress load out,

    need to build one of these myself and you have reminded me to go shopping.
    the slow pond build thread

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  19. #10
    Senior Member Rank = Yonsai RipleyRich's Avatar
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    Quote Originally Posted by bowsaw View Post
    how's it holding up with water mass in there?

    the cut out would be a bit stronger if the corners were rounded, helps distribute the stress load out,

    need to build one of these myself and you have reminded me to go shopping.
    The tank is several mm thick. Its really robust and doesn`t deform under water mass.

    https://www.ebay.co.uk/itm/105L-Litr...53.m2749.l2649

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  21. #11
    Senior Member Rank = Yonsai RipleyRich's Avatar
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    I now have 40 litres Hel-X & Hel-X 13 turning over nicely in the chamber.
    I had to take the EA95 air pump off though as with this much media, the air volume was raising the water level a bit high.
    Switched it to my Yamitsu 50 and its running like a dream.

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  23. #12
    Extreme Koi Member Rank = Grand Champion john1's Avatar
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    Job well done Rich.
    John

 

 

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