Quote:
Originally Posted by bignose
I can hear these pumps over anything in my room at 100%. It's the loudest thing on my tank, if people can't hear it they need hearing aids. I'm kidding. Anyways if it came down to the decision it wouldn't be the noise. Although they can be noisy I'm starting the like the features, I've gotten used to my overflow so I can put up with some humming sounds..
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i just installed another MP40. and it took me about 20 min to get the alignment right, but its i can barely hear it at full power pulsing