I have a Tetra brand Whisper 40 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?
David
I have a Tetra brand Whisper 40 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?
David
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