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Old 11-15-2012, 02:20 AM   #3
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If you have a heavily stocked tank, and are therefore adding a lot of fish food that could explain higher nitrates, especially when combined with EI dosing.

I would cut the EI dosing in half and run that for a week or two.

Are you maintaining this as a high tech set up? High light, CO2?
If not, then the lower dosing of the ferts might be just right.
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