A ton of flow. Polyps are dancing in the flow when extended. I have a gyre 150 operating at about 60% on a 50 cube. Blows sand off the bottom pretty well. I also have a hydor koralla moving 1300 GPG and another moving another 550 gph to avoid dead spots. I wish it was that simple...
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Current tank: 50 gal starfire glass rimless cube with a Kessil A360W and an Apex controller
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