Make your own root beer at home! This root beer soda extract from Brewer's Best is a concentrated soda extract which is used at a rate of 2 oz per 4 gallons. Combine this with 8 cups of sugar and a small amount (1/2 to 1 tsp) of yeast for carbonation, and that's all it takes! You can also choose to keg and force carbonate this soda, if you so desire. Directions are included on the bottle. Make solid root beer with another quality product from Brewer's Best!