I run a skimmer with a sock GAC, but I let some drain water go into my 16 gallon refugium section. The tank is still pretty new (4 months) and with only 2 fish I am not creating much for waste/nutrients which is why I can only grow a small golf ball sized piece of chaeto. The good news is I have not had any algae, diatoms, ect....yet. At some point I may go sockless but it sure is nice to have a clean sump! I do rinse my sock in the fuge in case there are some pods in it. My plan was to put a little phyto in the fuge once in a while and see if that would feed the pods, realizing that is would eventually flow back up to the DT. Anyway this is all a game of experimentation, but thanks for the comments.
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John
100 gallon DT and 50 gallon sump with refugium. Reefbreeders Photon V2+.
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