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Unread 05/17/2017, 07:10 PM   #24
Vio
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Join Date: Jan 2017
Posts: 77
I think that kind of reactor may work for 5 Gal. tank, if you really want to see drop on PO4 and Nitrate have to be a "way" much bigger.
i use 90 Gal. tank (refuge) for 300 Gal. tank, yes i do NOT use GFO anymore.


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