Filter making noise??

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Brandon K.A

Aquarium Advice Freak
Joined
Mar 24, 2011
Messages
410
Location
Hawaii
I have this two day old aquaclear 20 running, but it makes a loud vibration whirring noise. It lessens when I take off the cover, but it is still noticeable. How can I fix this?
 
Take it apart and rinse it and put it back together, I would imagine the impeller is not seated properly.
 
Is there a bubble in the top of the intake tube? Mine would sound like that until I worked out the bubble (turn it over to the low setting for a minute, then quickly slide it to the high setting). I also always removed the top... they always make it a little noisy.
 
I think there was one, thanks!! Yea, and removing the cover makes a significant difference in sound as well. I like the cover though haha, so I just left it kinda off of the filter, so it is not locked in place.
 
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