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Have you made sure the drive unit is clean per the first page of this thread? That the upper bearing is not stuck and the hole in the magnet is clean? Is the drive unit the new style or the older style?
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Roger Vitko
Tunze USA
"He's for every one of us, stands for every one of us, he'll save every man, woman and child in a mighty Flash!"
Current Tank Info: 210 gallon planted tank with Altum Angelfish
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