I'd recommend running the system 24/7, that will minimize the O2 swings. For the 1/3 ac pond, I doubt that you'll need 4 diffuser stations.


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3/4 to 1 1/4 ac pond LMB, SMB, PS, BG, RES, CC, YP, Bardello BG, (RBT & Blue Tilapia - seasonal).