My DH usually feeds LO once a night and there is always some milk left over in the bottle. It sits in there until the next day when I have a chance to clean up but as a result, several of our bottles smell like sour milk. I've tried soaking them in detergent, soaking them in water and baking soda and sterilizing but nothing has helped. Should I just toss them out or is there anything else to try? These are our Dr. Browns bottles which weren't exactly cheap but they are unusable they way they are now
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Re: getting sour milk smell out of bottles