I have never turned off my return pump for feeding.
there was a period of time when I did hit the "feed-pause" button on my controller to stop the powerheads for 5 minutes. I eventually got (more) lazier and stopped using that button.. so no, I don't turn off any pumps or powerheads anymore. The fish don't seem to mind. I feed pellets on an auto feeder as well as frozen in the evenings. Food goes EVERYWHERE !!
