The Planted Tank Forum - View Single Post - Nutrient uptake ratios...
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post #2 of (permalink) Old 04-24-2013, 09:49 PM
HD Blazingwolf
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Join Date: May 2011
Location: Chattanooga, TN
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if u have significant bio mass, and its severely in need of nitrates. it could theoretically absorb that much,

dose again and see what happens
it is also possible that ur substrate is abosrbing it through cation exchange
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