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Old 08-30-2018, 01:19 AM
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gregzz4 gregzz4 is offline
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Join Date: Oct 2011
Location: Burnaby, B.C.
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Steve, what are your NO3 and PO4 at?
I may have some input for you regarding the algae and your GFO.
I balanced mine a year ago last spring and haven't used GFO since.

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