Beer is one of the most popular drinks in the world. Frosty cold mugs are enjoyed by millions everyday. The brewing industry is one of the largest businesses in the world supplying those millions of glasses. But more and more people are discovering the joys of making beer at home.

If you are planning to make your own beer from home, it makes sense that you become familiar with the ingredients, which you will be using during the beer-making process. There are generally four main homebrew beer ingredients, which are barley, hops, yeast, and of course, water. It is important that you gain a general understanding of what each ingredient does, and why it is necessary.