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Old 11-07-2008, 10:01 PM   #25 (permalink)
Lotus
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Join Date: Aug 2003
Location: Southern California
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I found the link about the nitrate dosing here: Adding Nitrate to a planted tank

I've never personally added more than about 5ppm at a time (having had the information from the above link in the back of my mind).

Is it possible that the problem is a lack of potassium, and that when you dose high enough KNO3 then there's enough potassium in the tank, and that it's not a lack of nitrates?
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