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Thread: Nitrate Testing

  1. #1
    Extreme Koi Member Rank = Gosai Andymadd's Avatar
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    Nitrate Testing

    Hi

    Now this is a pond/aquarium question as I nitrate test both. I have 2 new test kits one from API and one from maidenhead aquatics (own brand) but I think its NT labs looking at it.

    My problem is and YouTube videos doing comparisons confirm this "They are rubbish". So I run 2 identical tests from the same water sample API gives 40ppm plus and the other test kit give about 2.5ppm.

    So what one is correct? I understand it is not an exact accurate reading but one is telling me all is ok the other is saying water change NOW.

    Any help?

    Andy



  2. #2
    Senior Member Rank = Supreme Champion davethefish1's Avatar
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    my API nitrate test kit has always been accurate as a dropper test can be.
    i was at 40ppm plus a few months ago, now at a low level, zero on the kit, but anything <5ppm is fine this time of year.

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  4. #3
    Extreme Koi Member Rank = Gosai Andymadd's Avatar
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    Binned the Maidenhead aquatics test kit gone back to API.

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