Mam ultivent bottles - how to stop them leaking?

Question

I have just started using these bottles and think they are great except occasionally the milk leaks out of the bottom even if I have screwed it on really tight. Also, when I am heating the milk in a jug of water, sometimes the water is sucked into the bottle!

Can anyone advise me how to stop this thanks

Answer 1

hmmm, mine never leak. Make sure to press the white latex cover in the bottom properly first and s***w the bottom on straight. If it's not straight, it doesn't matter how tight you s***w it :)

About the water. I think that happens when the water you warm the bottle in is really warm.