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Crushed Grains

Benefits of Buying Crushed/Milled Grains

Grains are important ingredients in making beer. They provide starch or sugar that is used by yeasts and converted into alcohol. When purchasing your grains you do have options, intact whole grains and milled (crushed) grains.

Having milled grains is very important during the mashing and lautering process. Crushing the grains break them apart resulting in a ground meal called grist. It is important that the grain is crushed properly, so that it will be easy to separate during the lautering process. In fact, crushed grains should still have its husks intact so that they can still be separated in the later process. (more info below)

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Never underestimate well crushed grains from bad ones. If you mill your grains are too coarse, then the flavour of your beer will be very weak. If you turn it into a flour-like texture, then it becomes so fine that it will be stuck during the sparging process. Moreover, the presence of flour during the crushing can create a hazy final product.

An efficiently crushed grain does not produce flour in particular, it just separates the kernel from the husk. To allow for better flow through the grain bed, the endosperm should be broken, but not separated from the husk. This can lead to better conversion of starch to sugar, as well as encourage the necessary enzymatic reactions.

You can mill your own grains by using a mortar and pestle or use a grain mill that you can get from homebrewers supply shops. However, milling and crushing your own grains requires some precision and can be time consuming. So if you are still new to all grain brewing, your best option may be to purchase fresh milled grains.