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Title: Bio wheel is always stopping
Review: After the first month or so, the bio wheel would stop spinning - not just slow, but stop altogether. I was advised by store personnel and the Marineland hotline to clean the impeller, well and tube. I've done that several times with little change. The wheel would move a little, then stop. I've tried changing the filter frequently, still no effect. Should I change the impeller? I'm thinking of scrapping the unit and go with an Emperor 280 - it has two pumps, one for filtration and the other for the bio wheel.
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