Cleaning difficult because the bar is not so separate and also the little hook below often with the porridge so depends who very meticulously ......, pays attention to hygiene, that's nothing. Boiled bottles, boiled water and then into the unit, mmm. Otherwise, our little girl is eating better now, you can tell really if the porridge 1-2Grad times warmer or colder that it is slower and you get the feeling it would not taste it. Saves a lot of time. Just make tea, thermometer pure, set aside, wenns "beep" at 37Grad, finished. Sometimes you think the battery is all because suddenly all flash and beep and then it's over. But then comes yet again. Baterie held has been a while and change was possible. The storage temperatures are sometimes simply not stored, but is quickly einzustellen.Ich it would buy again.