I've been dealing with a very noisy mag drive pump for a while now. I've replaced the impeller once thinking it was that but it wasn't. I thought something got caught inside so I took it apart...totally clean. So I picked up a new maxijet 5500 my friend had extra and swapped it out. Apart from a slight hum it is totally silent! Awesome pump, plus it pumps way more gph than the danner and was much cheaper.
Before and after
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Before and after
Sent from my iPhone using MonsterAquariaNetwork app

