pandquestion%3D843394&user=__USERID__&authsourcetype=__AUTHTYPE__&submissionparams=__BVSUBMISSIONPARAMETERS__&submissionurl=__BVSUBMISSIONURL__Report inappropriate content Answers Best AnswerAnswer: I would prefer using a filter so the water stays clear because of of leaves and bugs and other things that get into the water and a filter when rinsed with the pond water keeps the good bacteria in the