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Thread: Nitrate Testing
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15-03-2023, 08:33 AM #1Extreme Koi Member
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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
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15-03-2023, 04:05 PM #2Senior Member
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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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20-03-2023, 08:24 PM #3Extreme Koi Member
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Binned the Maidenhead aquatics test kit gone back to API.
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The Daily pond temp thread
would be free mate: :D