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Thread: Phosphate

  1. #1
    Senior Member Rank = Supreme Champion Ajm's Avatar
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    Phosphate

    Just done a full set of water tests and my phosphate is a little high at 2.0 mg/l (Colombo liquid test )

    Double checked then checked straight out of the tap and after the 3 pod all 2.0

    What can I do to lower it please people first thing to mind is water change but that ain't gunna help this time !

    Sent from my SM-S918B using Tapatalk


    Freddyboy the legend

    "we are water keepers first"

    Johnathan

  2. #2
    Phosphate is not normally a problem for koi.
    They are quite happy with high readings. It does mean your pond will be liable to getting blanket week. Blanket weed treatments will lower it otherwise you will need an RO system.

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  4. #3
    Senior Member Rank = Adult Champion g mac's Avatar
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    I've found Aquasource Resolve used once a month has kept Phosphate levels down and blanket weed completely eradicated.
    7500 litres
    Filtreau combi with uv.
    Some koi

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