How to Make Hard SeltzerHow to Make Hard Seltzer Hard seltzer is a booming category in the world of lifestyle beverages and many craft brewers are lending their artisanal skills to this refreshing beverage. Simple to make and with a wide range of creative flavor additions, hard seltzer is a sparkling alternative for beer lovers looking to give their palate a different experience. Learn about the development of the current market and delve into the intricacies of sugars used