Craft your very own root beer with Brewer's Best Root Beer Soda Flavoring! This 2oz bottle of concentrated extract allows you to whip up 4 gallons of delicious root beer. Simply mix it with 8 cups of sugar and a pinch of yeast (1/2 to 1 tsp) for natural carbonation, and you're all set. Or choose to keg your homemade soda and force carbonate it with CO2.   Dive into the fun of homemade soda making and enjoy the classic taste of root beer right from your kitchen.