Title: Defects happen. Poor customer service doesn't have to.
Product review: I purchased this filter for a 30 gallon freshwater tank. It was to replace my Tetra Whisper 60 which had run faithfully and quietly for 10 years. The Tetra Whisper 40 was very noisy from the start. I tried dismantling and cleaning the impeller and chamber with no improvement. I gave it a couple weeks thinking it may work itself out but it only got worse. I called Tetra customer service and heard the "we are experiencing high call volumes...." message, so I opted to send an email to customer service requesting assistance. That was over a week ago and I have not had a response yet. In the mean time, I had to replace the filter since it was very noisy and sounding on the brink of failure. I can't recommend any Tetra products after this experience!
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