If you fire it up and run it 24/7 when there is 4-5 feet of water over the deepest diffuser, you can start running full bore from the get-go. It's when you have anoxic water in the pond bottom, then you have to watch the start-up procedure.

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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).