Instruct: Classify the given Amazon review as either positive or negative.
Query: Excellent pump, works great!

This is a new pump for me, as I recently upgraded from a much smaller Sunterra pump. It's efficient, quiet and runs 24x7 unless I have it shutdown for cleaning the filter system.I've never had a problem with the pump shutting off, the impeller jamming or breaking or other issues. The flow is outstanding, and it really keeps the water running nicely over my waterfall.I would buy another if I needed an additional pump.