Silicone air intake tube is free of any debris? Sometimes mine fills up with evaporated salt causing it to perform unusual. What water height is the skimmer sitting in?
Top off water will do it if you adding to it to fast. If you don't have a ATO you need to add water very slowly. Put some markings for water height on so you don't fill up the sump too much.
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120 gallon, 50 gallon sump, Vertex Illumina 260, Vertex Alpha 200, Vertex UF-20 x 2, Vortech MP60w ES x 2, Eheim 1262, Neptune Apex Controller with PH, Salinity, ORP, Tunze Auto-Top Off,
Last edited by azulikit; 02-22-2012 at 01:25 AM.
Reason: Grammar
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