Found dthe problem with my left livewell pump--bearings shot in it. Took them both apart and no wonder--all the junk that was in the bilge area had gotten in the pump (don't know how). So I bought two new Tsunami 500gph pumps. the old one's were mayfair 400gph pumps. I suppose 500 will be better than 400 for the livewells--do any of yall have thoughts on it?