Quote:
Originally Posted by djbon
... After many months running without skimmer, without any mechanical filters etc (only GAC), my nitrate is still below 5ppm, PO4 less than 0.05ppm.
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Nice tank. Those big softies you have are an example of organisms that bind nutrients in their body mass. I see why you have GAC in your system.
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John,
Current Tank Info: In-process, 90 Gallon SPS Reef
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