seio m620
just rec'd a new pump for christmas.
question i got is it seems to vibrate when you touch it and it's louder than
the old 301 or mj 900
is this normal? ive disassembled and assembled it, with no difference.
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tanks:
120g w/starphire front, pm bullet 2 skimmer, yellow tang, emperor angel, niger trigger, spotted hawkfish, blue tang, flame angel and 120lbs lr
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