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  1. #1
    Member Rank = Nisai EME101's Avatar
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    Dechlorinators -- Correcting errors of initial build

    Hi

    Looking for some advice ( as always ).

    Im looking for the appropriate/best dechlorination system for my pond.

    I negligently failed to build in dechlorination capability for my 36,000 litre pond. It has an auto-top so reasonably easy to build own online. However my judgement that use of liquid dechlorinators would be sufficient to cover the occasional water change was stupid with hindsight.

    Whilst I lose c . 0.75-1.5% pond water through evaporation every day -- I totally missed the fact that the drum filter is quite capable of using twice that per day.

    High Temperatures/ chlorine / daily water top ups to 5% is not a good idea for bacteria nor fish.

    Which system and brand would the learned fellows suggest ?

    Thanks in Advance



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  3. #2
    Senior Member Rank = Jussai g mac's Avatar
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    Get in touch with Finch Filtration, he will provide the answers and the kit.
    7500 litres
    Filtreau combi with uv.
    Some koi

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  5. #3
    Member Rank = Nisai EME101's Avatar
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    Quote Originally Posted by g mac View Post
    Get in touch with Finch Filtration, he will provide the answers and the kit.
    Thanks, but Im in France so sourcing here is the answer Im afraid.

    I shall look at the site though , thanks again.

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  7. #4
    Senior Member Rank = Grand Champion davethefish1's Avatar
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    Quote Originally Posted by EME101 View Post
    Hi

    Looking for some advice ( as always ).

    Im looking for the appropriate/best dechlorination system for my pond.

    I negligently failed to build in dechlorination capability for my 36,000 litre pond. It has an auto-top so reasonably easy to build own online. However my judgement that use of liquid dechlorinators would be sufficient to cover the occasional water change was stupid with hindsight.

    Whilst I lose c . 0.75-1.5% pond water through evaporation every day -- I totally missed the fact that the drum filter is quite capable of using twice that per day.

    High Temperatures/ chlorine / daily water top ups to 5% is not a good idea for bacteria nor fish.

    Which system and brand would the learned fellows suggest ?

    Thanks in Advance
    andy finch can design a system based on your tap water quality.
    everyones is different and can need different equipment and media.

    you can go the full monty 3 x big blues but it's not cheap...
    mine has a 10" sediment prefilter then the 1st and 2nd vessels have catalytic carbon, and the 3rd has bonechar.
    then it goes to a 10" 3 pod with a couple of 10" post filters, and finally another 10" sediment filter to stop any fines getting past.
    then a 0.2 to 5lpm digital flow meter to set the trickle in and record usage up to 99,999 litres.

    but it would be a good idea to get a water report from your provider so you have an idea what is in your water metals/chlorine/chloramines ect...
    the UK companies have to provide them but not sure what the legal requirements are in your location...

    Last edited by davethefish1; 27-06-2022 at 08:34 PM.

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  9. #5
    Member Rank = Nisai EME101's Avatar
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    Quote Originally Posted by davethefish1 View Post
    andy finch can design a system based on your tap water quality.
    everyones is different and can need different equipment and media.
    Thanks

    Time to do what I'm told and contact Andy Finch then. Just seems a little unfair though when export/import is so difficult now. ( A subject I do understand too well!)

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  11. #6
    Senior Member Rank = Grand Champion davethefish1's Avatar
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    Quote Originally Posted by EME101 View Post
    Thanks

    Time to do what I'm told and contact Andy Finch then. Just seems a little unfair though when export/import is so difficult now. ( A subject I do understand too well!)
    Not even sure he can export...
    But he knows his onions regarding dechlorination..

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  13. #7
    RS2000 did a very good thread about water filters, worth a read:

    https://www.koiforum.uk/water-treatm...nfo-ideas.html
    (not sure that link will work)

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