Should I lower or stop KNO3 dosing to lower nirates? - The Planted Tank Forum
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post #1 of 3 (permalink) Old 05-28-2014, 04:39 AM Thread Starter
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Should I lower or stop KNO3 dosing to lower nirates?

I'm going to do another big clean and water change but my nitrates are the same as before a 50% water change yesterday (~100ppm). Would lowering or stopping KNO3 help this?
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post #2 of 3 (permalink) Old 05-28-2014, 01:00 PM
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Don't add Kno3 if you have high nitrates., food and waste add to that. I haven't added any Kno3 since I started, I dose K2so4 instead.
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post #3 of 3 (permalink) Old 05-28-2014, 01:02 PM
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I would look for a different cause.

First- make sure you're using the test kit right, especially if its API. Give it a good shake.

Possible causes: over feeding, plant decay, DIRTY FILTERS and others

I caps that because I found that to be the root cause of my extremely high nitrates at the time. I did a rinse of biomedia (in removed tank water) and changed out my disposable media (filter floss) and that solved the problem.
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