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Old 11/19/2019, 02:41 PM   #10
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Join Date: Sep 2003
Location: North Carolina
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Originally Posted by nereefpat View Post
I'm not a carbon dosing (vinegar or otherwise) expert...

But there may be an issue with stripping the PO4 with GFO, and then trying to lower the nitrates with vinegar dosing. You may want to pull the GFO offline...something to think about if you start carbon dosing and the nitrates don't drop.
Carbon dosing doesn't seem to effect phosphate levels nearly as much as it does nitrates..
If they have a real phosphate problem (phosphate levels would rise out of control without running GFO) then they can continue to use it while carbon dosing..
If you find phosphates are dropping too quickly then discontinue its use temporarily or permanently..

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