Hi everyone! I just bought a Penguin BioWheel 150 filter for my 29 gal tank. It's rather noisy and I was wondering if that's normal or if there's something wrong. When I say noisy, I am not referring to the splash, but to the mechanical sounds. I can hear it from the next room, even with the door closed. I have previously used Whisper and AquaClear filters, and neither has made as much noise as this, except for when they were getting clogged. I was very happy with my Whisper filter (it was very quiet), but I thought the biowheel might work better. If it continues to be this noisy, I think I'll just go back to the Whisper. I don't mind the splash sound much, but the sound of the motor drives me crazy when I'm trying to sleep.