Have you checked the air intake to ensure its not blocked? My last new skimmer had some packing insulation fall in the intake. Are you using ro water? I had a issue with tap water and my bubble king never went away till I went to ro water. I assume you have the outlet open all the way.
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360 gallon sps reef, 180 gal sump, bubble king supermarine 300, 4xmp40Wes, 2 x 6215 tunze waveboxes, 4 ghl mitras
360 Reef Tank
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