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Old 04-13-2016, 10:25 PM   #1
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Fluval C3 Filter humming but not filtering water

I just turned off all my equipment (including the filter) for my routine cleaning. When I turned it back on and my filter wouldn't run water. It's humming so I know it's getting power. I plugged it into different outlets but no luck. Any help?

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Old 04-13-2016, 10:30 PM   #2
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Sometimes when they're off long enough, filters need to be primed. Just fill the filter compartments with water using a cup, etc. If that doesn't get it going, could be something else, like a large clog or it may just be time for a new filter. But the fact that it's humming makes me think it just needs primed.

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Old 04-14-2016, 02:03 PM   #3
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Mine do that at times . Just take out the up lift tube and use a wooden skewer , Q tip , or something like that and give the impeller a little push . Should take right off .
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