The Planted Tank Forum - View Single Post - What is the best nitrate test kit?
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Old 01-28-2013, 07:56 PM   #4
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I have the same issue with testing my nitrates. I found a picture of API nitrate test values and there's a difference between 10 and 20. Then no difference between 20 and 40. But I found it helpful.

If you try another test kit while you post in this thread? I looked at lamotto but I test everyday to control nitrates thus that kit is too expensive.
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