leonmax9 years ago000What do you have to put in the cooling rod? water?Show in original language (German)GoRadik9 years ago • purchased this product000purchased this product Helpful answerYes, just waterShow in original language (German)Comment1 commentHmlGrmpf9 years ago • purchased this product000purchased this productYou can't fill the cooling rod (at least not with my model). I always put it in the freezer after use.Show in original language (German)Comment