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|  Skimmer not skimming(vertex in-100) it was skimming like a champ last week, but this weekend with the addition of bio pellet, skimmer hasn't has anything in the collection cup.  I haven't been seeing those big nasty bubble on the top of riser neck.    Is there something I should look into?? eg, cleaning the pump?? thanks Peter | 
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|   Has the water level in the sump changed ? Can you adjust the skimmer a bit not familiar with this skimmer but might be something to check. 
				__________________ 360 gallon sps reef, 180 gal sump, bubble king supermarine 300, 4xmp40Wes, 2 x 6215 tunze waveboxes, 4 ghl mitras 360 Reef Tank |