new filter keeps cutting off

Dec 29, 2007
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#1
ihave a Tetra Whisper Power Filter, Model 20...i just bought it yesterday, it works fine..but it keeps turning off and i have to move the 'wonder tube' up and down for it to turn back on...whats the problem :confused:
 

Jul 9, 2003
8,866
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Columbia, SC
www.youtube.com
#2
Is the whole unit shutting down or is the impeller just stopping? If the impeller is stopping take it out and inspect it for chipped plastic in the fins or damage to the lower portion with the magnant.

Depending on the impeller, you might consider buying a whole new power part of the filter (the black part that has the power, that attaches to the box of the filter).
 

Dec 29, 2007
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#8
yeah i have a live rock in the tank...

i think its just the impeller, when it stops i just move it up and down and it starts back up - its been fine today, i went to work at 830 and just got home, its 5pm..and it was still on..

would having sand in the tank have anything to do with it?
 

spllouder

Large Fish
Aug 19, 2007
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Springfield MO
#9
Sounds like you should take it back . it should not do that . i had a used 30 model that still runs strong today . take it back and get a power head . like a maxijet 1200 or a korlina if your LFS has them this are the best ! .