ok. I read several posts on soda, but I'm dubious about the use of yeast for pressurized. even using a small amount of yeast, he should not multiply and end up consuming all the sugar by making the bottle explode?
It worked just fine. Took a little time. You just have to move the rootbeer to the refrigerator once carbonated to slow down the yeast. I'm sure you could pasteurize it if you wanted to - but I've never had fresh, homemade cold rootbeer sit in the fridge long enough to cause any problems.