Re: loud wisper filter

>> It was really quiet when I got it. About 4 months later now, its getting
>> louder. I change 25% of the water , change the filter and clean the filter
>> system every 2-3 weeks. Might I be doing something or not doing something
>> wrong?

Does that cleaning include the impeller?  And the impeller cavity inside 
the motor?

Also, you're certain the added noise isn't from vibrations against the 
motor/tank glass interface?  You might put a soft pad there.

                                Jack

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