I don't wash them after each session I will usually keep them in the fridge and rinse them off right before I use them again. I wash them with hot water and soap and sterilize them in a bag sometimes. I did buy the quick wipes but I thought they were kind of a waste.
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If I'm pumping at work, I don't wash them. I figure bm is good for 10 hours out of the fridge, so it should be fine. I toss them in the dishwasher when I get home. I've had no problems this way. I have to make it as easy as I can for myself or I don't want to do it.
I generally sterilize after each session with the micro bags just because its the easiest. I do boil too whenever I see gunk kinda building up in them despite the sterilizing.
Re: How do you clean your pump accessories after each pumping session?
I use them twice before washing in soap, I rinse them in hot water after and let them air dry.