So I have the Harmony Hand pump and soon am getting the Swing, but I don't know when to replace the membrane since it came with extra's. Or is it just in case I lose one or it gets destroyed?Answer Question
I never replaced them on mine. Just kept washing them and putting them back on. As long as they don't tear and the pump is still getting suction it should be fine.
Answer by maxswolfsuit at 10:59 PM on Jan. 4, 2010
Answer by Anonymous at 3:28 AM on Jan. 5, 2010
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