I put uncooked rice in their bottles, with a little bit of water Shake well, then clean as usual. It has always worked for me.
Soak in a mixture of half water and vinegar (hot) and then scrub with a bottle cleaner, should be good to go!
Add your voice to the conversation. Click here to answer this question.
 |  |  |  |
Remove Adhesive Tape Residue with Baby Oil