09-30-2013, 08:42 PM
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Funny story: When I first set up my Penguin 200, it hummed like an old sewing machine, so I figured that was the way they worked. Having to remove the impeller & restart it by adjusting the thing up & down till it finally kicked back in after the power outage; it went back to humming away. It's only a temporary filter til I get my sump built, so it hasn't been a big deal. Then, today, when I went to change water, I stopped it & removed the filter media to float in old tank water I'd removed to keep the bacteria alive. When I got the tank refilled & put the filter back together & plugged it in --- dead silence. Figured I'd have to fool with the impeller again, but just before opening it up, I realized I could hear a little water gurgling noise, & looking more carefully, there it was running away, only the soft sound of gurgling water to show for it, (which I wish I had some way to pipe into my bedroom cause I LUV that sound). Guess I should have asked if it was supposed to make all the racket it was making, but, this was my first powered HOB. I used to use the bubble kind, where I had to deal with muffling the air pump. It's really great to have it working like it's really supposed to! LOL!