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Well it seems that running a filter sock pass the RC test, so I am going to incorporate 2 in my sump design! Thanks GUYs!!!!
Having said that, how many of you guys run a refugium vs. not having one! I noticed that 30reef mentioned that he "had" one but due to some browing issues he no longer does....I am assuming he was having PO4 problems from the DSB in the refugium.?.?.? What do the rest of you guys think about that?
BTW I had the same problem as 30reef in my last setup, and as soon as I removed the refugium and sandbed down there, my browning/PO4 problem eventually went away.....!
I am reluctant to have a refugium because of that reason!?!??!
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