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Old 11/20/2019, 11:16 AM   #16
reefgeezer
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Join Date: Dec 2009
Location: Wichita KS
Posts: 2,621
Cyano may not need inorganic N or P to grow. It can use organic compounds. IME, it occurs when dissolved organics are elevated to a point that they aren't being used by the other organisms in the system. Do you have a skimmer, run GAC, or employ anything that would limit DOC?


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John,

Current Tank Info: In-process, 90 Gallon SPS Reef
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