Guess I made a mistake thinking a larger skimmer was better. Replaced my reef octo 150 ss skimmer with a bubble magus B9. Over one week NO SKimming! Larger FO tank. If you adjust skimmer left or right skimming column breaks and goes done. Only way to get column to rise by adjusting airflow with a valve. Guess I will go back to my smaller Reef Octo that worked well. As my triggers and angeLs grew I thought a larger skimmer was needed. My Bad.