Cal Pumps

Question:
Does a cal pond pump make noise when on?
We have a pond and bought a cal pump for the filtration of the pond and was wondering if we'd know that it was on. Does a cal brand pond pump make any noises, such as a running noise? Also, how do I work it? how to turn on, keep on, and how to get it working.

Answer:
Calpump makes one of the finest pond pumps. It makes no noise at all. You can feel it humming if you touch it, but that's it. To work it, drop it in the water, and plug it in. Hook it up to the hose you want it to pump water through before you put it in the water. I would use a prefilter to keep debris out of the impeller.