I don't know if this helps, but all Aquaclear motors up to and including the 300 use the same motor. All impellers are also interchangable. The impeller part also pulls off the motor. I think Mini motors are less expensive, so just pull that off and put it on any motor. I am right now running a 300 with a Mini impeller, and a Mini with a 300 impeller. Both work fine, and the mini does not pump any more water than before.
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Bob
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To be loved you have to be nice to people every day - To be hated you don't have to do squat.
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