Kombucha Makers Unite; Where to ask and be answered in Recipe Sharing Posted February 10, 2014 I am not an expert at all, but from what I have seen on this thread, the more/bigger scoby in the bottle, the faster it will eat all the sugar, especially if you are somewhere warm. So if you have 3 scobies in there and also a baby, it is probably eating all the sugar super fast. I haven't brewed a batch yet though, so hopefully someone with more experience will also answer! My first scoby has been growing slowly, because winter... I had it in there for a week and barely saw any change, but I came home from a weekend trip to my best friend's and it was starting to film up over the surface! I'm so excited! Since it is so cold in the winter, I am putting mine in a cabinet under the counter. Not only is there a heating vent right under the cabinet which keeps it warmer in there, the cabinet is right next to the stove, so it gets some ambient heat when I cook (but I keep it on the far side so it won't get too hot and kill the kombucha).